diff options
Diffstat (limited to 'sysdeps/posix')
| -rw-r--r-- | sysdeps/posix/sigpause.c | 3 | ||||
| -rw-r--r-- | sysdeps/posix/system.c | 3 | ||||
| -rw-r--r-- | sysdeps/posix/waitid.c | 5 |
3 files changed, 10 insertions, 1 deletions
diff --git a/sysdeps/posix/sigpause.c b/sysdeps/posix/sigpause.c index 78b247ebd9..98b69d3c98 100644 --- a/sysdeps/posix/sigpause.c +++ b/sysdeps/posix/sigpause.c @@ -40,6 +40,9 @@ do_sigpause (int sig_or_mask, int is_sig) else if (sigset_set_old_mask (&set, sig_or_mask) < 0) return -1; + /* Note the sigpause() is a cancellation point. But since we call + sigsuspend() which itself is a cancellation point we do not have + to do anything here. */ return __sigsuspend (&set); } diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c index b1c826e4bc..8548313314 100644 --- a/sysdeps/posix/system.c +++ b/sysdeps/posix/system.c @@ -162,6 +162,9 @@ do_system (const char *line) } while (child != pid); #else + /* Note the system() is a cancellation point. But since we call + waitpid() which itself is a cancellation point we do not + have to do anything here. */ if (TEMP_FAILURE_RETRY (__waitpid (pid, &status, 0)) != pid) status = -1; #endif diff --git a/sysdeps/posix/waitid.c b/sysdeps/posix/waitid.c index 679d97d203..e388d173f4 100644 --- a/sysdeps/posix/waitid.c +++ b/sysdeps/posix/waitid.c @@ -1,5 +1,5 @@ /* Pseudo implementation of waitid. - Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1997. @@ -66,6 +66,9 @@ do_waitid (idtype_t idtype, id_t id, siginfo_t *infop, int options) return -1; } + /* Note the waitid() is a cancellation point. But since we call + waitpid() which itself is a cancellation point we do not have + to do anything here. */ child = __waitpid (pid, &status, options); if (child == -1) |