diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/s390-32/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/s390-32/socket.S | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/socket.S b/sysdeps/unix/sysv/linux/s390/s390-32/socket.S index 366b655e56..c4eb2cab0b 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/socket.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/socket.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -17,7 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <sysdep.h> +#include <sysdep-cancel.h> #include <socketcall.h> /* &%/$&!! preprocessor */ @@ -73,6 +73,12 @@ ENTRY(__socket) st %r3,0x64(0,%r15) /* store into parameter list */ st %r2,0x60(0,%r15) #endif + +#if defined NEED_CANCELLATION && defined CENABLE + SINGLE_THREAD_P (%r4) + jne L(socket_cancel) +#endif + /* load subcode for socket syscall */ lhi %r2,P(SOCKOP_,socket) la %r3,0x60(0,%r15) /* load address of parameter list */ @@ -80,6 +86,7 @@ ENTRY(__socket) /* Do the system call trap. */ svc SYS_ify(socketcall) +4: l %r15,0(0,%r15) /* load back chain */ lm %r6,15,24(%r15) /* load registers */ @@ -91,7 +98,35 @@ ENTRY(__socket) /* Successful; return the syscall's value. */ br %r14 -PSEUDO_END (__socket) +#if defined NEED_CANCELLATION && defined CENABLE +L(socket_cancel): + basr %r13,0 +1: l %r1,2f-1b(%r13) + /* call CENABLE. */ + bas %r14,0(%r13,%r1) + lr %r0,%r2 + + /* load subcode for socket syscall */ + lhi %r2,P(SOCKOP_,socket) + la %r3,0x60(0,%r15) /* load address of parameter list */ + + /* Do the system call trap. */ + svc SYS_ify(socketcall) + + l %r3,3f-1b(%r13) + lr %r12,%r2 + lr %r2,%r0 + /* call CDISABLE. */ + bas %r14,0(%r13,%r3) + lr %r2,%r12 + j 4b + +2: .long CENABLE-1b +3: .long CDISABLE-1b +#endif + + SYSCALL_ERROR_HANDLER +END (__socket) #ifndef NO_WEAK_ALIAS weak_alias (__socket, socket) |