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| author | Lukas Larsson <[email protected]> | 2014-12-04 11:04:23 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2014-12-19 10:39:52 +0100 |
| commit | b8a2313263d0f120dacbe82ced5c99545bbd15a3 (patch) | |
| tree | d77376ce678171c430740e00904a32044f350bb0 /erts/lib_src | |
| parent | d6d1ef4787951070dd152daf44eff2003b7f2ed2 (diff) | |
| download | otp-b8a2313263d0f120dacbe82ced5c99545bbd15a3.tar.gz otp-b8a2313263d0f120dacbe82ced5c99545bbd15a3.tar.bz2 otp-b8a2313263d0f120dacbe82ced5c99545bbd15a3.zip | |
erts: Introduce thread suspend functions
These functions allow any thread to suspend any other thread
immediately and then resume all threads. This is useful when
doing a crash dump in order to get a more accurate picture
of what state the system is in.
Diffstat (limited to 'erts/lib_src')
| -rw-r--r-- | erts/lib_src/pthread/ethread.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/erts/lib_src/pthread/ethread.c b/erts/lib_src/pthread/ethread.c index 340d085428..7cf38580c5 100644 --- a/erts/lib_src/pthread/ethread.c +++ b/erts/lib_src/pthread/ethread.c @@ -600,6 +600,17 @@ int ethr_sigwait(const sigset_t *set, int *sig) return 0; } +int ethr_kill(const ethr_tid tid, const int sig) +{ +#if ETHR_XCHK + if (ethr_not_inited__) { + ETHR_ASSERT(0); + return EACCES; + } +#endif + return pthread_kill((const pthread_t)tid, sig); +} + #endif /* #if ETHR_HAVE_ETHR_SIG_FUNCS */ ETHR_IMPL_NORETURN__ |