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author | Nicolas Planel <nplanel@mandriva.com> | 2003-10-29 16:07:11 +0000 |
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committer | Nicolas Planel <nplanel@mandriva.com> | 2003-10-29 16:07:11 +0000 |
commit | de47eb59bb829423b1d0f47ba13099073999b3cb (patch) | |
tree | 827f35c4666e15ec66edae7c1fa05d963324602b /mdk-stage1/dietlibc/lib/sigaddset.c | |
parent | 1fece42e9c460ca017fc4facad380f05163d8977 (diff) | |
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Corporate Server 2.1.1 releasetopic/Corpo_2_1
Diffstat (limited to 'mdk-stage1/dietlibc/lib/sigaddset.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/sigaddset.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/mdk-stage1/dietlibc/lib/sigaddset.c b/mdk-stage1/dietlibc/lib/sigaddset.c index 8ce69ea77..1c2632e67 100644 --- a/mdk-stage1/dietlibc/lib/sigaddset.c +++ b/mdk-stage1/dietlibc/lib/sigaddset.c @@ -1,15 +1,17 @@ -#define __KERNEL__ -#define sigaddset foobar -#include <asm/signal.h> -#undef sigaddset +#include <signal.h> +#include <errno.h> -int __sigaddset(sigset_t *set, int signo) { - unsigned long sig = signo - 1; - if (_NSIG_WORDS == 1) - set->sig[0] |= 1UL << sig; - else - set->sig[sig / _NSIG_BPW] |= 1UL << (sig % _NSIG_BPW); - return 0; -} +#define __sigmask(sig) ( ((unsigned long)1) << (((sig)-1) % (8*sizeof(unsigned long))) ) +#define __sigword(sig) ( ((sig)-1) / (8*sizeof(unsigned long)) ) -int sigaddset (sigset_t *env, int signo) __attribute__((weak,alias("__sigaddset"))); +int sigaddset(sigset_t *set, int signo) { + if ((signo<1)||(signo>SIGRTMAX)) { + (*__errno_location())=EINVAL; + return -1; + } else { + unsigned long __mask = __sigmask (signo); + unsigned long __word = __sigword (signo); + set->sig[__word]|=__mask; + return 0; + } +} |