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author | Paolo Bonzini <pbonzini@redhat.com> | 2011-09-13 10:30:52 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2011-10-21 18:14:30 +0200 |
commit | d3b12f5dec4b27ebab58fb5797cb67bacced773b (patch) | |
tree | d5fffa4392b778bf2b38cc7f50e8a1107b30103a /main-loop.h | |
parent | 44a9b356ad12e63acc1198d1fc356870050a214d (diff) | |
download | hqemu-d3b12f5dec4b27ebab58fb5797cb67bacced773b.zip hqemu-d3b12f5dec4b27ebab58fb5797cb67bacced773b.tar.gz |
main-loop: create main-loop.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'main-loop.h')
-rw-r--r-- | main-loop.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/main-loop.h b/main-loop.h index a73b9c0..8a716b1 100644 --- a/main-loop.h +++ b/main-loop.h @@ -315,6 +315,30 @@ void qemu_bh_delete(QEMUBH *bh); int qemu_add_child_watch(pid_t pid); #endif +/** + * qemu_mutex_lock_iothread: Lock the main loop mutex. + * + * This function locks the main loop mutex. The mutex is taken by + * qemu_init_main_loop and always taken except while waiting on + * external events (such as with select). The mutex should be taken + * by threads other than the main loop thread when calling + * qemu_bh_new(), qemu_set_fd_handler() and basically all other + * functions documented in this file. + */ +void qemu_mutex_lock_iothread(void); + +/** + * qemu_mutex_unlock_iothread: Unlock the main loop mutex. + * + * This function unlocks the main loop mutex. The mutex is taken by + * qemu_init_main_loop and always taken except while waiting on + * external events (such as with select). The mutex should be unlocked + * as soon as possible by threads other than the main loop thread, + * because it prevents the main loop from processing callbacks, + * including timers and bottom halves. + */ +void qemu_mutex_unlock_iothread(void); + /* internal interfaces */ void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds); |