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author | Mystery Man <unknown@mandriva.org> | 2003-08-20 07:37:27 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2003-08-20 07:37:27 +0000 |
commit | 7f2ac73888b8ef372ea597049981b27e7d810ac2 (patch) | |
tree | 354132889b63bbe5f446cb82869b3c3367135a80 /mdk-stage1/dietlibc/x86_64/sigaction.c | |
parent | 327bd24f8e4291bd1882de1990dd7339f781a9cb (diff) | |
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This commit was manufactured by cvs2svn to create branch 'MDKC_1_0'.topic/MDKC_1_0
Diffstat (limited to 'mdk-stage1/dietlibc/x86_64/sigaction.c')
-rw-r--r-- | mdk-stage1/dietlibc/x86_64/sigaction.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/x86_64/sigaction.c b/mdk-stage1/dietlibc/x86_64/sigaction.c new file mode 100644 index 000000000..18f32efde --- /dev/null +++ b/mdk-stage1/dietlibc/x86_64/sigaction.c @@ -0,0 +1,26 @@ +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <syscalls.h> + +int __rt_sigaction(int signum, const struct sigaction *act, struct sigaction *oldact, long nr); + +static void restore_rt(void) { + asm volatile ("syscall" : : "a" (__NR_rt_sigreturn)); +} + +int __libc_sigaction(int signum, const struct sigaction *act, struct sigaction *oldact); +int __libc_sigaction(int signum, const struct sigaction *act, struct sigaction *oldact) { + struct sigaction *newact = (struct sigaction *)act; + if (act) { + newact = alloca(sizeof(*newact)); + newact->sa_handler = act->sa_handler; + newact->sa_flags = act->sa_flags | SA_RESTORER; + newact->sa_restorer = &restore_rt; + newact->sa_mask = act->sa_mask; + } + return __rt_sigaction(signum, newact, oldact, _NSIG/8); +} + +int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact) +__attribute__((weak,alias("__libc_sigaction"))); |