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authorRoland McGrath <roland@gnu.org>1996-01-19 10:00:23 +0000
committerRoland McGrath <roland@gnu.org>1996-01-19 10:00:23 +0000
commit97aa195cf78ad62825df0e381f20df1ea227ec18 (patch)
treed30cfc243e151bfd34c5e0786a7f92407469375a /sysdeps/unix
parent9b29e6f7a31d9ae5534d420137454e086b9980fc (diff)
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* io/Makefile (routines): Add mknod, xstat fxstat lxstat xmknod.cvs/libc-960119
* sysdeps/unix/sysv/linux/ptrace.c: Use ... decl, and stdarg.h to get args. * posix/glob.c (_GNU_SOURCE): Define if undefined, so glob.h defines GNU extensions. * posix/fnmatch.c: Likewise.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/ptrace.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/ptrace.c b/sysdeps/unix/sysv/linux/ptrace.c
index 2c04830c42..32cc990119 100644
--- a/sysdeps/unix/sysv/linux/ptrace.c
+++ b/sysdeps/unix/sysv/linux/ptrace.c
@@ -17,16 +17,28 @@ not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
+#include <sys/types.h>
#include <sys/ptrace.h>
-#include <sys/syscall.h>
+#include <stdarg.h>
+
+extern int __syscall_ptrace (int, pid_t, void *, void *);
int
-ptrace (int request, int pid, int addr, int data)
+ptrace (enum __ptrace_request request, ...)
{
- long int ret;
- long int res;
+ int res, ret;
+ va_list ap;
+ pid_t pid;
+ void *addr, *data;
+
+ va_start (ap, request);
+ pid = va_arg (ap, pid_t);
+ addr = va_arg (ap, void *);
+ data = va_arg (ap, void *);
+ va_end (ap);
+
if (request > 0 && request < 4)
- (long int *) data = &ret;
+ data = &ret;
res = __syscall_ptrace (request, pid, addr, data);
@@ -35,9 +47,9 @@ ptrace (int request, int pid, int addr, int data)
if (request > 0 && request < 4)
{
errno = 0;
- return (ret);
+ return ret;
}
- return (int) res;
+ return res;
}
errno = -res;