diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/not-cancel.h | 10 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pause.c | 13 |
2 files changed, 14 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h index c4a60b8d67..ac78cb38c3 100644 --- a/sysdeps/unix/sysv/linux/not-cancel.h +++ b/sysdeps/unix/sysv/linux/not-cancel.h @@ -77,14 +77,8 @@ __typeof (waitpid) __waitpid_nocancel; libc_hidden_proto (__waitpid_nocancel) /* Uncancelable pause. */ -#define pause_not_cancel() \ - ({ sigset_t set; \ - int __rc = INLINE_SYSCALL (rt_sigprocmask, 4, SIG_BLOCK, NULL, &set, \ - _NSIG / 8); \ - if (__rc == 0) \ - __rc = INLINE_SYSCALL (rt_sigsuspend, 2, &set, _NSIG / 8); \ - __rc; \ - }) +__typeof (pause) __pause_nocancel; +libc_hidden_proto (__pause_nocancel) /* Uncancelable nanosleep. */ #define nanosleep_not_cancel(requested_time, remaining) \ diff --git a/sysdeps/unix/sysv/linux/pause.c b/sysdeps/unix/sysv/linux/pause.c index 4ccce9ebd8..3300eb8b07 100644 --- a/sysdeps/unix/sysv/linux/pause.c +++ b/sysdeps/unix/sysv/linux/pause.c @@ -19,10 +19,10 @@ #include <signal.h> #include <unistd.h> #include <sysdep-cancel.h> +#include <not-cancel.h> /* Suspend the process until a signal arrives. This always returns -1 and sets errno to EINTR. */ - int __libc_pause (void) { @@ -33,3 +33,14 @@ __libc_pause (void) #endif } weak_alias (__libc_pause, pause) + +int +__pause_nocancel (void) +{ +#ifdef __NR_pause + return INLINE_SYSCALL_CALL (pause); +#else + return INLINE_SYSCALL_CALL (ppoll, NULL, 0, NULL, NULL); +#endif +} +libc_hidden_def (__pause_nocancel) |