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| author | Ulrich Drepper <drepper@redhat.com> | 2002-09-18 08:27:02 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-09-18 08:27:02 +0000 |
| commit | ace55c73dd0c94e3cd77f53a046b6128a14a45e1 (patch) | |
| tree | 910f71d06e0e63519bc4fa23593cc32a8bb350e5 /sysdeps | |
| parent | b7cb624be9f0a59198e1a5f44cdee0a215440d27 (diff) | |
| download | glibc-ace55c73dd0c94e3cd77f53a046b6128a14a45e1.tar.gz glibc-ace55c73dd0c94e3cd77f53a046b6128a14a45e1.tar.xz glibc-ace55c73dd0c94e3cd77f53a046b6128a14a45e1.zip | |
Update.
* sysdeps/unix/sysv/linux/sigaction.c: If SIGCANCEL is defined define sigaction and __sigaction as wrappers around __libc_sigaction which rejects changing SIGCANCEL. * sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sigaction.c | 19 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sigaction.c | 19 |
2 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c index 57634c1c98..94747211af 100644 --- a/sysdeps/unix/sysv/linux/i386/sigaction.c +++ b/sysdeps/unix/sysv/linux/i386/sigaction.c @@ -157,9 +157,28 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) #endif } +#ifndef SIGCANCEL weak_alias (__libc_sigaction, __sigaction) libc_hidden_weak (__sigaction) weak_alias (__libc_sigaction, sigaction) +#else +int +__sigaction (sig, act, oact) + int sig; + const struct sigaction *act; + struct sigaction *oact; +{ + if (sig == SIGCANCEL) + { + __set_errno (EINVAL); + return -1; + } + + return __libc_sigaction (sig, act, oact); +} +libc_hidden_weak (__sigaction) +weak_alias (__sigaction, sigaction) +#endif /* NOTE: Please think twice before making any changes to the bits of code below. GDB needs some intimate knowledge about it to diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c index c95e3d158c..d8f1d260a7 100644 --- a/sysdeps/unix/sysv/linux/sigaction.c +++ b/sysdeps/unix/sysv/linux/sigaction.c @@ -133,6 +133,25 @@ __libc_sigaction (sig, act, oact) #endif } +#ifndef SIGCANCEL weak_alias (__libc_sigaction, __sigaction) libc_hidden_weak (__sigaction) weak_alias (__libc_sigaction, sigaction) +#else +int +__sigaction (sig, act, oact) + int sig; + const struct sigaction *act; + struct sigaction *oact; +{ + if (sig == SIGCANCEL) + { + __set_errno (EINVAL); + return -1; + } + + return __libc_sigaction (sig, act, oact); +} +libc_hidden_weak (__sigaction) +weak_alias (__sigaction, sigaction) +#endif |