diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sigwaitinfo.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sigwaitinfo.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/sigwaitinfo.c b/sysdeps/unix/sysv/linux/sigwaitinfo.c index d1e7a8da28..102b924904 100644 --- a/sysdeps/unix/sysv/linux/sigwaitinfo.c +++ b/sysdeps/unix/sysv/linux/sigwaitinfo.c @@ -21,7 +21,7 @@ #define __need_NULL #include <stddef.h> -#include <sysdep.h> +#include <sysdep-cancel.h> #include <sys/syscall.h> #include <bp-checks.h> @@ -36,10 +36,22 @@ __sigwaitinfo (set, info) const sigset_t *set; siginfo_t *info; { + if (SINGLE_THREAD_P) + /* XXX The size argument hopefully will have to be changed to the + real size of the user-level sigset_t. */ + return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set), + CHECK_1 (info), NULL, _NSIG / 8); + + int oldtype = LIBC_CANCEL_ASYNC (); + /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - return INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set), - CHECK_1 (info), NULL, _NSIG / 8); + int result = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set), + CHECK_1 (info), NULL, _NSIG / 8); + + LIBC_CANCEL_RESET (oldtype); + + return result; } libc_hidden_def (__sigwaitinfo) weak_alias (__sigwaitinfo, sigwaitinfo) |