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Code Releases Activity

signals: Add init_signals.

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This commit is contained in:
Alasdair G Kergon 2014-05-01 20:31:19 +01:00
parent 2eed136f0f
commit 09064cc2db
3 changed files with 20 additions and 15 deletions
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17
lib/locking/file_locking.c
View File

@ -33,10 +33,6 @@
static char _lock_dir[PATH_MAX];
static sig_t _oldhandler;
static sigset_t _fullsigset, _intsigset;
static volatile sig_atomic_t _handler_installed;
static void _fin_file_locking(void)
{
release_flocks(1);
@ -163,17 +159,8 @@ int init_file_locking(struct locking_type *locking, struct cmd_context *cmd,
if ((access(_lock_dir, R_OK | W_OK | X_OK) == -1) && (errno == EROFS))
return 0;
if (sigfillset(&_intsigset) || sigfillset(&_fullsigset)) {
log_sys_error_suppress(suppress_messages, "sigfillset",
"init_file_locking");
return 0;
}
if (sigdelset(&_intsigset, SIGINT)) {
log_sys_error_suppress(suppress_messages, "sigdelset",
"init_file_locking");
return 0;
}
if (!init_signals(suppress_messages))
return_0;
return 1;
}

17
lib/misc/lvm-signal.c
View File

@ -62,6 +62,23 @@ void install_ctrl_c_handler(void)
siginterrupt(SIGINT, 1);
}
int init_signals(int suppress_messages)
{
if (sigfillset(&_intsigset) || sigfillset(&_fullsigset)) {
log_sys_error_suppress(suppress_messages, "sigfillset",
"init_signals");
return 0;
}
if (sigdelset(&_intsigset, SIGINT)) {
log_sys_error_suppress(suppress_messages, "sigdelset",
"init_signals");
return 0;
}
return 1;
}
static void _catch_sigint(int unused __attribute__((unused)))
{
_sigint_caught = 1;

1
lib/misc/lvm-signal.h
View File

@ -18,6 +18,7 @@
void remove_ctrl_c_handler(void);
void install_ctrl_c_handler(void);
int init_signals(int suppress_messages);
void sigint_allow(void);
int sigint_caught(void);