diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/crypt-entry.c | 4 | ||||
| -rw-r--r-- | sysdeps/generic/resourcebits.h | 87 | ||||
| -rw-r--r-- | sysdeps/generic/uname.c | 2 | ||||
| -rw-r--r-- | sysdeps/libm-ieee754/e_jnf.c | 31 | ||||
| -rw-r--r-- | sysdeps/libm-ieee754/e_pow.c | 46 | ||||
| -rw-r--r-- | sysdeps/libm-ieee754/e_powf.c | 26 | ||||
| -rw-r--r-- | sysdeps/libm-ieee754/e_rem_pio2f.c | 50 | ||||
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 10 | ||||
| -rw-r--r-- | sysdeps/posix/rename.c | 2 | ||||
| -rw-r--r-- | sysdeps/posix/sigwait.c | 92 | ||||
| -rw-r--r-- | sysdeps/posix/ttyname_r.c | 30 | ||||
| -rw-r--r-- | sysdeps/stub/setrlimit.c | 2 | ||||
| -rw-r--r-- | sysdeps/stub/sigwait.c | 31 | ||||
| -rw-r--r-- | sysdeps/unix/bsd/sun/sunos4/resourcebits.h | 85 | ||||
| -rw-r--r-- | sysdeps/unix/getlogin_r.c | 14 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/errnos.h | 46 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.S | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/sysdep.S | 5 |
18 files changed, 442 insertions, 126 deletions
diff --git a/sysdeps/generic/crypt-entry.c b/sysdeps/generic/crypt-entry.c index de15904b2c..ab1c6faaab 100644 --- a/sysdeps/generic/crypt-entry.c +++ b/sysdeps/generic/crypt-entry.c @@ -48,7 +48,7 @@ crypt_r (key, salt, data) return md5_crypt_r (key, salt, (char *) data, sizeof (struct crypt_data)); /* We don't have DES encryption. */ - errno = ENOSYS; + __set_errno (ENOSYS); return NULL; } @@ -63,6 +63,6 @@ crypt (key, salt) return md5_crypt (key, salt); /* We don't have DES encryption. */ - errno = ENOSYS; + __set_errno (ENOSYS); return NULL; } diff --git a/sysdeps/generic/resourcebits.h b/sysdeps/generic/resourcebits.h index 74cbcb0e97..01dbb8f952 100644 --- a/sysdeps/generic/resourcebits.h +++ b/sysdeps/generic/resourcebits.h @@ -1,4 +1,4 @@ -/* Bit values for resource limits. 4.4 BSD/generic GNU version. +/* Bit values & structures for resource limits. 4.4 BSD/generic GNU version. Copyright (C) 1994, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -59,5 +59,88 @@ enum __rlimit_resource #define RLIMIT_NOFILE RLIMIT_NOFILE RLIMIT_NLIMITS, /* Number of limit flavors. */ - RLIM_NLIMITS = RLIMIT_NLIMITS /* Traditional name for same. */ + RLIM_NLIMITS = RLIMIT_NLIMITS, /* Traditional name for same. */ + + RLIM_INFINITY = 0x7fffffff /* Value to indicate that there is no limit. */ +#define RLIM_INFINITY RLIM_INFINITY + }; + +struct rlimit + { + /* The current (soft) limit. */ + int rlim_cur; + /* The hard limit. */ + int rlim_max; + }; + +/* Whose usage statistics do you want? */ +enum __rusage_who +/* The macro definitions are necessary because some programs want + to test for operating system features with #ifdef RUSAGE_SELF. + In ISO C the reflexive definition is a no-op. */ + { + /* The calling process. */ + RUSAGE_SELF = 0, +#define RUSAGE_SELF RUSAGE_SELF + /* All of its terminated child processes. */ + RUSAGE_CHILDREN = -1 +#define RUSAGE_CHILDREN RUSAGE_CHILDREN + }; + +#include <sys/time.h> /* For `struct timeval'. */ + +/* Structure which says how much of each resource has been used. */ +struct rusage + { + /* Total amount of user time used. */ + struct timeval ru_utime; + /* Total amount of system time used. */ + struct timeval ru_stime; + /* Maximum resident set size (in kilobytes). */ + long int ru_maxrss; + /* Amount of sharing of text segment memory + with other processes (kilobyte-seconds). */ + long int ru_ixrss; + /* Amount of data segment memory used (kilobyte-seconds). */ + long int ru_idrss; + /* Amount of stack memory used (kilobyte-seconds). */ + long int ru_isrss; + /* Number of soft page faults (i.e. those serviced by reclaiming + a page from the list of pages awaiting reallocation. */ + long int ru_minflt; + /* Number of hard page faults (i.e. those that required I/O). */ + long int ru_majflt; + /* Number of times a process was swapped out of physical memory. */ + long int ru_nswap; + /* Number of input operations via the file system. Note: This + and `ru_oublock' do not include operations with the cache. */ + long int ru_inblock; + /* Number of output operations via the file system. */ + long int ru_oublock; + /* Number of IPC messages sent. */ + long int ru_msgsnd; + /* Number of IPC messages received. */ + long int ru_msgrcv; + /* Number of signals delivered. */ + long int ru_nsignals; + /* Number of voluntary context switches, i.e. because the process + gave up the process before it had to (usually to wait for some + resource to be available). */ + long int ru_nvcsw; + /* Number of involuntary context switches, i.e. a higher priority process + became runnable or the current process used up its time slice. */ + long int ru_nivcsw; + }; + +/* Priority limits. */ +#define PRIO_MIN -20 /* Minimum priority a process can have. */ +#define PRIO_MAX 20 /* Maximum priority a process can have. */ + +/* The type of the WHICH argument to `getpriority' and `setpriority', + indicating what flavor of entity the WHO argument specifies. */ +enum __priority_which + { + PRIO_PROCESS = 0, /* WHO is a process ID. */ + PRIO_PGRP = 1, /* WHO is a process group ID. */ + PRIO_USER = 2 /* WHO is a user ID. */ }; diff --git a/sysdeps/generic/uname.c b/sysdeps/generic/uname.c index c0bc13e02a..f5f90239ca 100644 --- a/sysdeps/generic/uname.c +++ b/sysdeps/generic/uname.c @@ -44,7 +44,7 @@ uname (name) { /* Hostname is meaningless for this machine. */ name->nodename[0] = '\0'; - errno = save; + __set_errno (save); } #ifdef ENAMETOOLONG else if (errno == ENAMETOOLONG) diff --git a/sysdeps/libm-ieee754/e_jnf.c b/sysdeps/libm-ieee754/e_jnf.c index b9951f6b43..9e5279c30a 100644 --- a/sysdeps/libm-ieee754/e_jnf.c +++ b/sysdeps/libm-ieee754/e_jnf.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -53,7 +53,7 @@ static float zero = 0.0000000000e+00; ix = 0x7fffffff&hx; /* if J(n,NaN) is NaN */ if(ix>0x7f800000) return x+x; - if(n<0){ + if(n<0){ n = -n; x = -x; hx ^= 0x80000000; @@ -64,7 +64,7 @@ static float zero = 0.0000000000e+00; x = fabsf(x); if(ix==0||ix>=0x7f800000) /* if x is 0 or inf */ b = zero; - else if((float)n<=x) { + else if((float)n<=x) { /* Safe to use J(n+1,x)=2n/x *J(n,x)-J(n-1,x) */ a = __ieee754_j0f(x); b = __ieee754_j1f(x); @@ -75,7 +75,7 @@ static float zero = 0.0000000000e+00; } } else { if(ix<0x30800000) { /* x < 2**-29 */ - /* x is tiny, return the first Taylor expansion of J(n,x) + /* x is tiny, return the first Taylor expansion of J(n,x) * J(n,x) = 1/n!*(x/2)^n - ... */ if(n>33) /* underflow */ @@ -90,14 +90,14 @@ static float zero = 0.0000000000e+00; } } else { /* use backward recurrence */ - /* x x^2 x^2 + /* x x^2 x^2 * J(n,x)/J(n-1,x) = ---- ------ ------ ..... * 2n - 2(n+1) - 2(n+2) * - * 1 1 1 + * 1 1 1 * (for large x) = ---- ------ ------ ..... * 2n 2(n+1) 2(n+2) - * -- - ------ - ------ - + * -- - ------ - ------ - * x x x * * Let w = 2n/x and h=2/x, then the above quotient @@ -113,9 +113,9 @@ static float zero = 0.0000000000e+00; * To determine how many terms needed, let * Q(0) = w, Q(1) = w(w+h) - 1, * Q(k) = (w+k*h)*Q(k-1) - Q(k-2), - * When Q(k) > 1e4 good for single - * When Q(k) > 1e9 good for double - * When Q(k) > 1e17 good for quadruple + * When Q(k) > 1e4 good for single + * When Q(k) > 1e9 good for double + * When Q(k) > 1e17 good for quadruple */ /* determine k */ float t,v; @@ -137,7 +137,7 @@ static float zero = 0.0000000000e+00; * single 8.8722839355e+01 * double 7.09782712893383973096e+02 * long double 1.1356523406294143949491931077970765006170e+04 - * then recurrent value may overflow and the result is + * then recurrent value may overflow and the result is * likely underflow to zero */ tmp = n; @@ -173,13 +173,14 @@ static float zero = 0.0000000000e+00; } #ifdef __STDC__ - float __ieee754_ynf(int n, float x) + float __ieee754_ynf(int n, float x) #else - float __ieee754_ynf(n,x) + float __ieee754_ynf(n,x) int n; float x; #endif { - int32_t i,hx,ix,ib; + int32_t i,hx,ix; + u_int32_t ib; int32_t sign; float a, b, temp; @@ -202,7 +203,7 @@ static float zero = 0.0000000000e+00; b = __ieee754_y1f(x); /* quit if b is -inf */ GET_FLOAT_WORD(ib,b); - for(i=1;i<n&&ib!=0xff800000;i++){ + for(i=1;i<n&&ib!=0xff800000;i++){ temp = b; b = ((float)(i+i)/x)*b - a; GET_FLOAT_WORD(ib,b); diff --git a/sysdeps/libm-ieee754/e_pow.c b/sysdeps/libm-ieee754/e_pow.c index 0d42381946..4b9ba3d5eb 100644 --- a/sysdeps/libm-ieee754/e_pow.c +++ b/sysdeps/libm-ieee754/e_pow.c @@ -5,7 +5,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -21,7 +21,7 @@ static char rcsid[] = "$NetBSD: e_pow.c,v 1.9 1995/05/12 04:57:32 jtc Exp $"; * 1. Compute and return log2(x) in two pieces: * log2(x) = w1 + w2, * where w1 has 53-24 = 29 bit trailing zeros. - * 2. Perform y*log2(x) = n+y' by simulating muti-precision + * 2. Perform y*log2(x) = n+y' by simulating muti-precision * arithmetic, where |y'|<=0.5. * 3. Return x**y = 2**n*exp(y'*log2) * @@ -49,13 +49,13 @@ static char rcsid[] = "$NetBSD: e_pow.c,v 1.9 1995/05/12 04:57:32 jtc Exp $"; * Accuracy: * pow(x,y) returns x**y nearly rounded. In particular * pow(integer,integer) - * always returns the correct integer provided it is + * always returns the correct integer provided it is * representable. * * Constants : - * The hexadecimal values are the intended ones for the following - * constants. The decimal values may be used, provided that the - * compiler will convert from decimal to binary accurately enough + * The hexadecimal values are the intended ones for the following + * constants. The decimal values may be used, provided that the + * compiler will convert from decimal to binary accurately enough * to produce the hexadecimal values shown. */ @@ -63,9 +63,9 @@ static char rcsid[] = "$NetBSD: e_pow.c,v 1.9 1995/05/12 04:57:32 jtc Exp $"; #include "math_private.h" #ifdef __STDC__ -static const double +static const double #else -static double +static double #endif bp[] = {1.0, 1.5,}, dp_h[] = { 0.0, 5.84962487220764160156e-01,}, /* 0x3FE2B803, 0x40000000 */ @@ -117,12 +117,12 @@ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ ix = hx&0x7fffffff; iy = hy&0x7fffffff; /* y==zero: x**0 = 1 */ - if((iy|ly)==0) return one; + if((iy|ly)==0) return one; /* +-NaN return x+y */ if(ix > 0x7ff00000 || ((ix==0x7ff00000)&&(lx!=0)) || - iy > 0x7ff00000 || ((iy==0x7ff00000)&&(ly!=0))) - return x+y; + iy > 0x7ff00000 || ((iy==0x7ff00000)&&(ly!=0))) + return x+y; /* determine if y is an odd int when x < 0 * yisint = 0 ... y is not an integer @@ -130,22 +130,22 @@ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ * yisint = 2 ... y is an even int */ yisint = 0; - if(hx<0) { + if(hx<0) { if(iy>=0x43400000) yisint = 2; /* even integer y */ else if(iy>=0x3ff00000) { k = (iy>>20)-0x3ff; /* exponent */ if(k>20) { j = ly>>(52-k); - if((j<<(52-k))==ly) yisint = 2-(j&1); + if((u_int32_t)(j<<(52-k))==ly) yisint = 2-(j&1); } else if(ly==0) { j = iy>>(20-k); - if((j<<(20-k))==iy) yisint = 2-(j&1); + if((int32_t)(j<<(20-k))==iy) yisint = 2-(j&1); } - } - } + } + } /* special value of y */ - if(ly==0) { + if(ly==0) { if (iy==0x7ff00000) { /* y is +-inf */ if(((ix-0x3ff00000)|lx)==0) return y - y; /* inf**+-1 is NaN */ @@ -153,14 +153,14 @@ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ return (hy>=0)? y: zero; else /* (|x|<1)**-,+inf = inf,0 */ return (hy<0)?-y: zero; - } + } if(iy==0x3ff00000) { /* y is +-1 */ if(hy<0) return one/x; else return x; } if(hy==0x40000000) return x*x; /* y is 2 */ if(hy==0x3fe00000) { /* y is 0.5 */ if(hx>=0) /* x >= +0 */ - return __ieee754_sqrt(x); + return __ieee754_sqrt(x); } } @@ -173,13 +173,13 @@ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ if(hx<0) { if(((ix-0x3ff00000)|yisint)==0) { z = (z-z)/(z-z); /* (-1)**non-int is NaN */ - } else if(yisint==1) + } else if(yisint==1) z = -z; /* (x<0)**odd = -(|x|**odd) */ } return z; } } - + /* (x<0)**(non-int) is NaN */ if(((((u_int32_t)hx>>31)-1)|yisint)==0) return (x-x)/(x-x); @@ -192,7 +192,7 @@ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ /* over/underflow if x is not close to one */ if(ix<0x3fefffff) return (hy<0)? huge*huge:tiny*tiny; if(ix>0x3ff00000) return (hy>0)? huge*huge:tiny*tiny; - /* now |1-x| is tiny <= 2**-20, suffice to compute + /* now |1-x| is tiny <= 2**-20, suffice to compute log(x) by x-x^2/2+x^3/3-x^4/4 */ t = x-1; /* t has 20 trailing zeros */ w = (t*t)*(0.5-t*(0.3333333333333333333333-t*0.25)); @@ -289,7 +289,7 @@ ivln2_l = 1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/ n = ((n&0x000fffff)|0x00100000)>>(20-k); if(j<0) n = -n; p_h -= t; - } + } t = p_l+p_h; SET_LOW_WORD(t,0); u = t*lg2_h; diff --git a/sysdeps/libm-ieee754/e_powf.c b/sysdeps/libm-ieee754/e_powf.c index 37e32ab3ca..1358555128 100644 --- a/sysdeps/libm-ieee754/e_powf.c +++ b/sysdeps/libm-ieee754/e_powf.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -74,12 +74,12 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ ix = hx&0x7fffffff; iy = hy&0x7fffffff; /* y==zero: x**0 = 1 */ - if(iy==0) return one; + if(iy==0) return one; /* +-NaN return x+y */ if(ix > 0x7f800000 || iy > 0x7f800000) - return x+y; + return x+y; /* determine if y is an odd int when x < 0 * yisint = 0 ... y is not an integer @@ -87,14 +87,14 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ * yisint = 2 ... y is an even int */ yisint = 0; - if(hx<0) { + if(hx<0) { if(iy>=0x4b800000) yisint = 2; /* even integer y */ else if(iy>=0x3f800000) { k = (iy>>23)-0x7f; /* exponent */ j = iy>>(23-k); if((j<<(23-k))==iy) yisint = 2-(j&1); - } - } + } + } /* special value of y */ if (iy==0x7f800000) { /* y is +-inf */ @@ -104,14 +104,14 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ return (hy>=0)? y: zero; else /* (|x|<1)**-,+inf = inf,0 */ return (hy<0)?-y: zero; - } + } if(iy==0x3f800000) { /* y is +-1 */ if(hy<0) return one/x; else return x; } if(hy==0x40000000) return x*x; /* y is 2 */ if(hy==0x3f000000) { /* y is 0.5 */ if(hx>=0) /* x >= +0 */ - return __ieee754_sqrtf(x); + return __ieee754_sqrtf(x); } ax = fabsf(x); @@ -122,12 +122,12 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ if(hx<0) { if(((ix-0x3f800000)|yisint)==0) { z = (z-z)/(z-z); /* (-1)**non-int is NaN */ - } else if(yisint==1) + } else if(yisint==1) z = -z; /* (x<0)**odd = -(|x|**odd) */ } return z; } - + /* (x<0)**(non-int) is NaN */ if(((((u_int32_t)hx>>31)-1)|yisint)==0) return (x-x)/(x-x); @@ -136,7 +136,7 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ /* over/underflow if x is not close to one */ if(ix<0x3f7ffff8) return (hy<0)? huge*huge:tiny*tiny; if(ix>0x3f800007) return (hy>0)? huge*huge:tiny*tiny; - /* now |1-x| is tiny <= 2**-20, suffice to compute + /* now |1-x| is tiny <= 2**-20, suffice to compute log(x) by x-x^2/2+x^3/3-x^4/4 */ t = x-1; /* t has 20 trailing zeros */ w = (t*t)*((float)0.5-t*((float)0.333333333333-t*(float)0.25)); @@ -217,7 +217,7 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ } else if ((j&0x7fffffff)>0x43160000) /* z <= -150 */ return s*tiny*tiny; /* underflow */ - else if (j==0xc3160000){ /* z == -150 */ + else if ((u_int32_t) j==0xc3160000){ /* z == -150 */ if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */ } /* @@ -233,7 +233,7 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/ n = ((n&0x007fffff)|0x00800000)>>(23-k); if(j<0) n = -n; p_h -= t; - } + } t = p_l+p_h; GET_FLOAT_WORD(is,t); SET_FLOAT_WORD(t,is&0xfffff000); diff --git a/sysdeps/libm-ieee754/e_rem_pio2f.c b/sysdeps/libm-ieee754/e_rem_pio2f.c index e5d50a11b4..4b8c4466bd 100644 --- a/sysdeps/libm-ieee754/e_rem_pio2f.c +++ b/sysdeps/libm-ieee754/e_rem_pio2f.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -18,8 +18,8 @@ static char rcsid[] = "$NetBSD: e_rem_pio2f.c,v 1.5 1995/05/10 20:46:03 jtc Exp #endif /* __ieee754_rem_pio2f(x,y) - * - * return the remainder of x rem pi/2 in y[0]+y[1] + * + * return the remainder of x rem pi/2 in y[0]+y[1] * use __kernel_rem_pio2f() */ @@ -27,7 +27,7 @@ static char rcsid[] = "$NetBSD: e_rem_pio2f.c,v 1.5 1995/05/10 20:46:03 jtc Exp #include "math_private.h" /* - * Table of constants for 2/pi, 396 Hex digits (476 decimal) of 2/pi + * Table of constants for 2/pi, 396 Hex digits (476 decimal) of 2/pi */ #ifdef __STDC__ static const int32_t two_over_pi[] = { @@ -35,27 +35,27 @@ static const int32_t two_over_pi[] = { static int32_t two_over_pi[] = { #endif 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, -0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, +0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, -0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, +0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, -0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, +0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, -0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, +0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, -0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, +0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, -0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, +0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, -0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, +0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, -0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, +0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, -0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, +0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, -0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, +0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, -0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, +0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; /* This array is like the one in e_rem_pio2.c, but the numbers are @@ -84,9 +84,9 @@ static int32_t npio2_hw[] = { */ #ifdef __STDC__ -static const float +static const float #else -static float +static float #endif zero = 0.0000000000e+00, /* 0x00000000 */ half = 5.0000000000e-01, /* 0x3f000000 */ @@ -115,7 +115,7 @@ pio2_3t = 6.1232342629e-17; /* 0x248d3132 */ if(ix<=0x3f490fd8) /* |x| ~<= pi/4 , no need for reduction */ {y[0] = x; y[1] = 0; return 0;} if(ix<0x4016cbe4) { /* |x| < 3pi/4, special case with n=+-1 */ - if(hx>0) { + if(hx>0) { z = x - pio2_1; if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */ y[0] = z - pio2_1t; @@ -145,27 +145,27 @@ pio2_3t = 6.1232342629e-17; /* 0x248d3132 */ fn = (float)n; r = t-fn*pio2_1; w = fn*pio2_1t; /* 1st round good to 40 bit */ - if(n<32&&(ix&0xffffff00)!=npio2_hw[n-1]) { + if(n<32&&(int32_t)(ix&0xffffff00)!=npio2_hw[n-1]) { y[0] = r-w; /* quick check no cancellation */ } else { u_int32_t high; j = ix>>23; - y[0] = r-w; + y[0] = r-w; GET_FLOAT_WORD(high,y[0]); i = j-((high>>23)&0xff); if(i>8) { /* 2nd iteration needed, good to 57 */ t = r; - w = fn*pio2_2; + w = fn*pio2_2; r = t-w; - w = fn*pio2_2t-((t-r)-w); + w = fn*pio2_2t-((t-r)-w); y[0] = r-w; GET_FLOAT_WORD(high,y[0]); i = j-((high>>23)&0xff); if(i>25) { /* 3rd iteration need, 74 bits acc */ t = r; /* will cover all possible cases */ - w = fn*pio2_3; + w = fn*pio2_3; r = t-w; - w = fn*pio2_3t-((t-r)-w); + w = fn*pio2_3t-((t-r)-w); y[0] = r-w; } } @@ -174,7 +174,7 @@ pio2_3t = 6.1232342629e-17; /* 0x248d3132 */ if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;} else return n; } - /* + /* * all other (large) arguments */ if(ix>=0x7f800000) { /* x is inf or NaN */ diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 32b050ecf4..90af24fb61 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -287,6 +287,10 @@ static int gaih_inet(const char *name, const struct gaih_service *service, struct gaih_servtuple *st2; struct gaih_addrtuple *at2 = at; int j; +#ifndef MAXHOSTNAMELEN +# define MAXHOSTNAMELEN 128 +#endif /* MAXHOSTNAMELEN */ + char buffer[MAXHOSTNAMELEN]; while(at2) { if (req->ai_flags & AI_CANONNAME) { @@ -308,9 +312,9 @@ static int gaih_inet(const char *name, const struct gaih_service *service, sizeof(struct in_addr), at2->family); #endif /* HOSTTABLE */ - if (!h) { - c = inet_ntop(at2->family, at2->addr, NULL, 0); - } else + if (!h) + c = inet_ntop(at2->family, at2->addr, buffer, sizeof(buffer)); + else c = h->h_name; if (!c) { diff --git a/sysdeps/posix/rename.c b/sysdeps/posix/rename.c index c318081bac..b8d31f900c 100644 --- a/sysdeps/posix/rename.c +++ b/sysdeps/posix/rename.c @@ -31,7 +31,7 @@ rename (old, new) { if (errno == EEXIST) { - errno = save; + __set_errno (save); /* Race condition, required for 1003.1 conformance. */ if (__unlink (new) < 0 || __link (old, new) < 0) diff --git a/sysdeps/posix/sigwait.c b/sysdeps/posix/sigwait.c new file mode 100644 index 0000000000..0cd5f80fda --- /dev/null +++ b/sysdeps/posix/sigwait.c @@ -0,0 +1,92 @@ +/* sigwait - implementation of sigwait function from POSIX.1c. + Copyright (C) 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <assert.h> +#include <errno.h> +#include <signal.h> + + +/* This is our dummy signal handler we use here. */ +static void ignore_signal (int sig); + +/* Place where to remember which signal we got. Please note that this + implementation cannot be used for the threaded libc. The + libpthread must provide an own version. */ +static int was_sig; + + +int +__sigwait (const sigset_t *set, int *sig) +{ + sigset_t tmp_mask; + struct sigaction saved[NSIG]; + struct sigaction action; + int save_errno; + int this; + + /* Prepare set. */ + sigfillset (&tmp_mask); + + /* Unblock all signals in the SET and register our nice handler. */ + action.sa_handler = ignore_signal; + action.sa_flags = 0; + sigfillset (&action.sa_mask); /* Block all signals for handler. */ + + /* Make sure we recognize error conditions by setting WAS_SIG to a + value which does not describe a legal signal number. */ + was_sig = -1; + + for (this = 0; this < NSIG; ++this) + if (sigismember (set, this)) + { + /* Unblock this signal. */ + sigdelset (&tmp_mask, this); + + /* Register temporary action handler. */ + if (sigaction (this, &action, &saved[this]) != 0) + goto restore_handler; + } + + /* Now we can wait for signals. */ + sigsuspend (&tmp_mask); + + restore_handler: + save_errno = errno; + + while (--this >= 0) + if (sigismember (set, this)) + /* We ignore errors here since we must restore all handlers. */ + sigaction (this, &saved[this], NULL); + + __set_errno (save_errno); + + /* Store the result and return. */ + *sig = was_sig; + return was_sig == -1 ? -1 : 0; +} +weak_alias (__sigwait, sigwait) + + +static void +ignore_signal (int sig) +{ + /* Remember the signal. */ + was_sig = sig; +} diff --git a/sysdeps/posix/ttyname_r.c b/sysdeps/posix/ttyname_r.c index d7f6026d8a..5b62826a19 100644 --- a/sysdeps/posix/ttyname_r.c +++ b/sysdeps/posix/ttyname_r.c @@ -36,7 +36,7 @@ int __ttyname_r (fd, buf, buflen) int fd; char *buf; - int buflen; + size_t buflen; { static const char dev[] = "/dev"; struct stat st; @@ -50,21 +50,24 @@ __ttyname_r (fd, buf, buflen) the loop. */ if (buflen < (int) (sizeof (dev) + 1)) { - __set_errno (EINVAL); - return -1; + __set_errno (ERANGE); + return ERANGE; } if (!__isatty (fd)) - return -1; + { + __set_errno (ENOTTY); + return ENOTTY; + } if (fstat (fd, &st) < 0) - return -1; + return errno; mydev = st.st_dev; myino = st.st_ino; dirstream = opendir (dev); if (dirstream == NULL) - return -1; + return errno; /* Prepare the result buffer. */ memcpy (buf, dev, sizeof (dev) - 1); @@ -75,9 +78,16 @@ __ttyname_r (fd, buf, buflen) if ((ino_t) d->d_fileno == myino) { char *cp; + size_t needed = _D_EXACT_NAMLEN (d) + 1; + + if (needed > buflen) + { + (void) closedir (dirstream); + __set_errno (ERANGE); + return ERANGE; + } - cp = __stpncpy (&buf[sizeof (dev)], d->d_name, - MIN ((int) (_D_EXACT_NAMLEN (d) + 1), buflen)); + cp = __stpncpy (&buf[sizeof (dev)], d->d_name, needed); cp[0] = '\0'; if (stat (buf, &st) == 0 && st.st_dev == mydev) @@ -90,6 +100,8 @@ __ttyname_r (fd, buf, buflen) (void) closedir (dirstream); __set_errno (save); - return -1; + /* It is not clear what to return in this case. `isatty' says FD + refers to a TTY but no entry in /dev has this inode. */ + return ENOTTY; } weak_alias (__ttyname_r, ttyname_r) diff --git a/sysdeps/stub/setrlimit.c b/sysdeps/stub/setrlimit.c index 79b96235b7..5978602906 100644 --- a/sysdeps/stub/setrlimit.c +++ b/sysdeps/stub/setrlimit.c @@ -27,7 +27,7 @@ setrlimit (resource, rlimits) enum __rlimit_resource resource; struct rlimit *rlimits; { - errno = ENOSYS; + __set_errno (ENOSYS); return -1; } diff --git a/sysdeps/stub/sigwait.c b/sysdeps/stub/sigwait.c new file mode 100644 index 0000000000..28b86aa698 --- /dev/null +++ b/sysdeps/stub/sigwait.c @@ -0,0 +1,31 @@ +/* sigwait - implementation of sigwait function from POSIX.1c. + Copyright (C) 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <signal.h> + +int +__sigwait (const sigset_t *set, int *sig) +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__sigwait, sigwait) + +stub_warning (sigwait) diff --git a/sysdeps/unix/bsd/sun/sunos4/resourcebits.h b/sysdeps/unix/bsd/sun/sunos4/resourcebits.h index 485dec9b81..8f515db330 100644 --- a/sysdeps/unix/bsd/sun/sunos4/resourcebits.h +++ b/sysdeps/unix/bsd/sun/sunos4/resourcebits.h @@ -52,5 +52,88 @@ enum __rlimit_resource #defin RLIMIT_NOFILE RLIMIT_NOFILE #defin RLIMIT_OFILE RLIMIT_OFILE - RLIM_NLIMITS + RLIM_NLIMITS, + + RLIM_INFINITY = 0x7fffffff /* Value to indicate that there is no limit. */ +#define RLIM_INFINITY RLIM_INFINITY + }; + +struct rlimit + { + /* The current (soft) limit. */ + int rlim_cur; + /* The hard limit. */ + int rlim_max; + }; + +/* Whose usage statistics do you want? */ +enum __rusage_who +/* The macro definitions are necessary because some programs want + to test for operating system features with #ifdef RUSAGE_SELF. + In ISO C the reflexive definition is a no-op. */ + { + /* The calling process. */ + RUSAGE_SELF = 0, +#define RUSAGE_SELF RUSAGE_SELF + /* All of its terminated child processes. */ + RUSAGE_CHILDREN = -1 +#define RUSAGE_CHILDREN RUSAGE_CHILDREN + }; + +#include <sys/time.h> /* For `struct timeval'. */ + +/* Structure which says how much of each resource has been used. */ +struct rusage + { + /* Total amount of user time used. */ + struct timeval ru_utime; + /* Total amount of system time used. */ + struct timeval ru_stime; + /* Maximum resident set size (in kilobytes). */ + long int ru_maxrss; + /* Amount of sharing of text segment memory + with other processes (kilobyte-seconds). */ + long int ru_ixrss; + /* Amount of data segment memory used (kilobyte-seconds). */ + long int ru_idrss; + /* Amount of stack memory used (kilobyte-seconds). */ + long int ru_isrss; + /* Number of soft page faults (i.e. those serviced by reclaiming + a page from the list of pages awaiting reallocation. */ + long int ru_minflt; + /* Number of hard page faults (i.e. those that required I/O). */ + long int ru_majflt; + /* Number of times a process was swapped out of physical memory. */ + long int ru_nswap; + /* Number of input operations via the file system. Note: This + and `ru_oublock' do not include operations with the cache. */ + long int ru_inblock; + /* Number of output operations via the file system. */ + long int ru_oublock; + /* Number of IPC messages sent. */ + long int ru_msgsnd; + /* Number of IPC messages received. */ + long int ru_msgrcv; + /* Number of signals delivered. */ + long int ru_nsignals; + /* Number of voluntary context switches, i.e. because the process + gave up the process before it had to (usually to wait for some + resource to be available). */ + long int ru_nvcsw; + /* Number of involuntary context switches, i.e. a higher priority process + became runnable or the current process used up its time slice. */ + long int ru_nivcsw; + }; + +/* Priority limits. */ +#define PRIO_MIN -20 /* Minimum priority a process can have. */ +#define PRIO_MAX 20 /* Maximum priority a process can have. */ + +/* The type of the WHICH argument to `getpriority' and `setpriority', + indicating what flavor of entity the WHO argument specifies. */ +enum __priority_which + { + PRIO_PROCESS = 0, /* WHO is a process ID. */ + PRIO_PGRP = 1, /* WHO is a process group ID. */ + PRIO_USER = 2 /* WHO is a user ID. */ }; diff --git a/sysdeps/unix/getlogin_r.c b/sysdeps/unix/getlogin_r.c index f80b2c7518..aa2c0617e6 100644 --- a/sysdeps/unix/getlogin_r.c +++ b/sysdeps/unix/getlogin_r.c @@ -72,8 +72,18 @@ getlogin_r (name, name_len) } else { - strncpy (name, ut->ut_line, name_len); - result = 0; + size_t needed = strlen (ut->ut_line) + 1; + + if (needed < name_len) + { + __set_errno (ERANGE); + result = ERANGE; + } + else + { + memcpy (name, ut->ut_line, needed); + result = 0; + } } endutent_r (&utmp_data); diff --git a/sysdeps/unix/sysv/linux/errnos.h b/sysdeps/unix/sysv/linux/errnos.h index 40707d1d62..4456e570f0 100644 --- a/sysdeps/unix/sysv/linux/errnos.h +++ b/sysdeps/unix/sysv/linux/errnos.h @@ -19,34 +19,40 @@ Boston, MA 02111-1307, USA. */ #ifdef _ERRNO_H -#undef EDOM -#undef ERANGE -#include <linux/errno.h> +# undef EDOM +# undef ERANGE +# include <linux/errno.h> -#ifndef __ASSEMBLER__ -#if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT) -/* Declare alias of `errno' variable so it is accessible even if macro - with name `errno' is defined. */ -extern int __errno; +# ifndef __ASSEMBLER__ +# ifdef _LIBC +/* We now need a declaration of the `errno' variable. */ +extern int errno; -/* When using threads, errno is a per-thread value. */ +/* Function to get address of global `errno' variable. */ extern int *__errno_location __P ((void)) __attribute__ ((__const__)); -#define errno (*__errno_location ()) - -#define __set_errno(val) errno = __errno = (val) - -#else /* !__USE_REENTRENT || (_LIBC && !_LIBC_REENTRANT) */ -#define __set_errno(val) errno = (val) - -#endif /* __USE_REENTRANT && (!_LIBC || _LIBC_REENTRANT) */ -#endif /* !__ASSEMBLER */ +# ifdef _LIBC_REENTRANT +static inline int +__set_errno (int __err) +{ + return *__errno_location () = errno = __err; +} +# else /* !_LIBC_REENTRANT */ +# define __set_errno(val) errno = (val) +# endif /* _LIBC_REENTRANT */ +# endif /* _LIBC */ + +# if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT) +/* When using threads, errno is a per-thread value. */ +# define errno (*__errno_location ()) +# endif +# endif /* !__ASSEMBLER__ */ #endif /* _ERRNO_H */ #if !defined (_ERRNO_H) && defined (__need_Emath) /* This is ugly but the kernel header is not clean enough. We must define only the values EDOM and ERANGE in case __need_Emath is defined. The value is the same for all Linux ports. */ -#define EDOM 33 /* Math argument out of domain of function. */ -#define ERANGE 34 /* Math result not representable. */ +# define EDOM 33 /* Math argument out of domain of function. */ +# define ERANGE 34 /* Math result not representable. */ #endif /* !_ERRNO_H && __need_Emath */ diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.S b/sysdeps/unix/sysv/linux/i386/sysdep.S index 742ba2b1a9..c9c78842d8 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.S +++ b/sysdeps/unix/sysv/linux/i386/sysdep.S @@ -32,10 +32,7 @@ Cambridge, MA 02139, USA. */ errno: .zero 4 .globl _errno .type _errno,@object -_errno = errno /* This name is expected by hj libc.so.5 startup code. */ - .globl __errno - .type __errno,@object -__errno = errno /* This name is expected by the MT code. */ +_errno = errno /* This name is expected by hj's libc.so.5 startup code. */ .text /* The following code is only used in the shared library when we diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.S b/sysdeps/unix/sysv/linux/m68k/sysdep.S index 848ece58e8..7016a26a60 100644 --- a/sysdeps/unix/sysv/linux/m68k/sysdep.S +++ b/sysdeps/unix/sysv/linux/m68k/sysdep.S @@ -32,10 +32,7 @@ errno: .space 4 .size errno,4 .globl _errno .type _errno,@object -_errno = errno /* This name is expected by hj libc.so.5 startup code. */ - .globl __errno - .type __errno,@object -__errno = errno /* This name is expected by the MT code. */ +_errno = errno /* This name is expected by hj's libc.so.5 startup code. */ .text /* The following code is only used in the shared library when we |