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(empth_init_signals): Don't catch SIGINT and SIGTERM.

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(empth_wait_for_shutdown): New.
(main): Use it to wait for shutdown signal, then shut down.  Closes
#770492.
(empth_exit): Remove the weird special case for main thread.

Implement empth_wait_for_shutdown() for EMPTH_LWP:
[EMPTH_LWP] (lwpInitSigWait, lwpSigWait, lwpSigWakeup): New.
Declaration of lwpSigWait was accidentally committed in the previous
revision of lwp.h.
[EMPTH_LWP] (lwpInitSystem): New parameter waitset, pass it on to
lwpInitSigWait().
[EMPTH_LWP] (lwpReschedule): Call lwpSigWakeup().
[EMPTH_LWP] (empth_init): Declare signals needed by
empth_wait_for_shutdown().
(empth_wait_for_shutdown): Implement on top of lwpSigWait().

Implement empth_wait_for_shutdown() for EMPTH_POSIX:
[EMPTH_POSIX] (empth_init): Block signals, so that
empth_wait_for_shutdown() can use sigwait() safely.
(empth_wait_for_shutdown): Implement on top of sigwait().

Implement empth_wait_for_shutdown() for EMPTH_W32:
(empth_wait_for_shutdown): Implement on top of loc_BlockMainThread().
This commit is contained in:
Markus Armbruster 2006-06-07 21:01:16 +00:00
parent f51769659c
commit 7183516d91
10 changed files with 251 additions and 71 deletions
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9
include/empthread.h
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@ -144,6 +144,9 @@ empth_t *empth_self(void);
/*
* Terminate the current thread.
* The current thread should not be the thread that executed main().
* If it is, implementations may terminate the process rather than the
* thread.
* Never returns.
*/
void empth_exit(void);
@ -184,6 +187,12 @@ void empth_wakeup(empth_t *thread);
*/
void empth_sleep(time_t until);
/*
* Wait for some implementation-defined external shutdown signal.
* Return a non-negative number identifying the signal.
*/
int empth_wait_for_shutdown(void);
/*
* Create a semaphore.
* NAME is its name, it is used for debugging.