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| author | Rich Felker <dalias@aerifal.cx> | 2011-02-13 19:01:43 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-02-13 19:01:43 -0500 |
| commit | dc3776d445957cd3ea4a682db518701b93d34292 (patch) | |
| tree | 3ca4f09e322d51377fa8319268bd534599002233 /src | |
| parent | 6027201e5a7c810b3073c85f7373aae84b303ba3 (diff) | |
| download | musl-dc3776d445957cd3ea4a682db518701b93d34292.tar.gz musl-dc3776d445957cd3ea4a682db518701b93d34292.tar.xz musl-dc3776d445957cd3ea4a682db518701b93d34292.zip | |
fix previous commit that broke sigreturn. looks like the asm is needed.
Diffstat (limited to 'src')
| -rw-r--r-- | src/signal/i386/restore.s | 15 | ||||
| -rw-r--r-- | src/signal/restore.c | 0 | ||||
| -rw-r--r-- | src/signal/sigaction.c | 7 |
3 files changed, 17 insertions, 5 deletions
diff --git a/src/signal/i386/restore.s b/src/signal/i386/restore.s new file mode 100644 index 00000000..e0c4ab66 --- /dev/null +++ b/src/signal/i386/restore.s @@ -0,0 +1,15 @@ +.global __restore +.type __restore,%function +__restore: + popl %eax + movl $119, %eax + int $0x80 +.size __restore,.-__restore + +.global __restore_rt +.type __restore_rt,%function +__restore_rt: + movl $173, %eax + int $0x80 +.size __restore_rt,.-__restore_rt + diff --git a/src/signal/restore.c b/src/signal/restore.c new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/src/signal/restore.c diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c index 9a362262..b1603b9f 100644 --- a/src/signal/sigaction.c +++ b/src/signal/sigaction.c @@ -4,10 +4,7 @@ #include "syscall.h" #include "pthread_impl.h" -static void restorer() -{ - syscall0(__NR_rt_sigreturn); -} +void __restore(), __restore_rt(); int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old) { @@ -21,7 +18,7 @@ int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old) if (sa) { ksa.handler = sa->sa_handler; ksa.flags = sa->sa_flags | SA_RESTORER; - ksa.restorer = restorer; + ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore; ksa.mask = sa->sa_mask; pksa = (long)&ksa; } |