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support _BSD_SOURCE feature test macro

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patch by Isaac Dunham. matched closely (maybe not exact) to glibc's
idea of what _BSD_SOURCE should make visible.
This commit is contained in:
Rich Felker 2012-05-22 21:52:08 -04:00
commit 419ae6d5c9
22 changed files with 126 additions and 41 deletions
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12
include/signal.h
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@ -6,7 +6,8 @@ extern "C" {
#endif
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
#ifdef _GNU_SOURCE
#define __siginfo siginfo
@ -204,9 +205,16 @@ void (*sigset(int, void (*)(int)))(int);
#define SIGSTKSZ 8192
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
void (*bsd_signal(int, void (*)(int)))(int);
#endif
#ifdef _BSD_SOURCE
typedef void (*sig_t)(int);
#endif
#ifdef _GNU_SOURCE
typedef void (*sighandler_t)(int);
void (*bsd_signal(int, void (*)(int)))(int);
int sigisemptyset(const sigset_t *);
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND