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libbb: introduce and use sigprocmask_allsigs and sigaction_set.

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libbb: rename sig_pause to wait_for_any_sig.
This commit is contained in:
Denis Vlasenko
2008-03-17 08:29:08 +00:00
parent 8e2cfec1cd
commit 3f165fa5b3
7 changed files with 31 additions and 64 deletions
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13
include/libbb.h
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@@ -311,13 +311,14 @@ void bb_signals_recursive(int sigs, void (*f)(int));
void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int));
/* syscalls like read() won't be interrupted (though select/poll will be): */
void signal_SA_RESTART_empty_mask(int sig, void (*handler)(int));
/* Will do sigaction(signum, act, NULL): */
int sigaction_set(int signum, const struct sigaction *act);
void sig_block(int);
void sig_unblock(int);
/* UNUSED: void sig_blocknone(void); */
void sig_pause(void);
void wait_for_any_sig(void);
void kill_myself_with_sig(int sig) ATTRIBUTE_NORETURN;
void sig_block(int sig);
void sig_unblock(int sig);
/* Will do sigaction(signum, act, NULL): */
int sigaction_set(int sig, const struct sigaction *act);
/* SIG_BLOCK/SIG_UNBLOCK all signals: */
int sigprocmask_allsigs(int how);
void xsetgid(gid_t gid);