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qemu-patch-raspberry4/util
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Paolo Bonzini 21b7cf9e07 rcu: handle forks safely 
After forking, only the calling thread is duplicated in the child process.
The call_rcu thread has to be recreated in the child.  Exploit the fact
that only one thread exists (same as when constructors run), and just redo
the entire initialization to ensure the threads are in the proper state.

The only additional things to do are emptying the list of threads
registered with RCU, and unlocking the lock that was taken in the prepare
callback (implementations are allowed to fail pthread_mutex_init()
if the mutex is still locked).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-10 10:49:25 +01:00
..
acl.c acl: fix memory leak 2014-11-17 11:48:56 +01:00
aes.c aes: remove a dead return statement 2015-02-10 09:27:20 +03:00
bitmap.c bitmap: use long as index 2014-01-13 14:04:53 +01:00
bitops.c bitops: unroll while loop in find_next_bit() 2013-03-26 13:32:32 +01:00
compatfd.c Add a 'name' parameter to qemu_thread_create 2014-03-09 21:09:38 +02:00
crc32c.c qemu: add castagnoli crc32c checksum algorithm 2013-05-03 10:31:58 +02:00
cutils.c qxl: refactor rounding up to a nearest power of 2 2015-03-03 08:33:08 +01:00
envlist.c utils: drop strtok_r from envlist_parse 2015-02-16 16:20:02 -06:00
error.c error: Use error_report_err() where appropriate 2015-02-18 10:51:09 +01:00
event_notifier-posix.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
event_notifier-win32.c build: move libqemuutil.a components to util/ 2013-01-12 18:42:50 +01:00
fifo8.c savevm: Remove all the unneeded version_minimum_id_old (arm) 2014-05-13 16:09:35 +01:00
getauxval.c util: Move general qemu_getauxval to util/getauxval.c 2014-09-09 13:13:05 +02:00
hbitmap.c util: Use g_new() & friends where that makes obvious sense 2014-12-10 11:34:15 +03:00
hexdump.c Rename hexdump to avoid FreeBSD libutil conflict 2013-05-20 08:20:08 -05:00
host-utils.c util: Don't link host-utils.o if it's empty 2014-09-09 13:13:05 +02:00
id.c util: Emancipate id_wellformed() from QemuOpts 2014-10-03 10:30:33 +01:00
iov.c util: Use g_new() & friends where that makes obvious sense 2014-12-10 11:34:15 +03:00
Makefile.objs rcu: add rcu library 2015-02-02 16:55:10 +01:00
module.c module: Don't complain when a module is absent 2014-07-18 14:57:35 +02:00
notify.c notify: add NotiferWithReturn so notifier list can abort 2013-06-28 09:20:26 +02:00
osdep.c do not call g_thread_init() for glib >= 2.31 2014-05-07 21:00:43 +04:00
oslib-posix.c memory: expose alignment used for allocating RAM as MemoryRegion API 2014-11-23 12:11:30 +02:00
oslib-win32.c memory: expose alignment used for allocating RAM as MemoryRegion API 2014-11-23 12:11:30 +02:00
path.c util/path: Use the GLib memory allocation routines 2014-08-24 13:16:32 +04:00
qemu-config.c QemuOpts: Drop qemu_opt_set(), rename qemu_opt_set_err(), fix use 2015-02-26 14:49:31 +01:00
qemu-error.c qemu-error: Add error_vreport() 2014-10-09 15:36:15 +02:00
qemu-openpty.c util/qemu-openpty: fix build with musl libc by include termios.h as fallback 2014-06-11 00:25:06 +01:00
qemu-option.c qemu-img: Suppress unhelpful extra errors in convert, amend 2015-02-26 14:51:21 +01:00
qemu-progress.c qemu-progress: Fix progress printing on SIGUSR1 2014-01-24 14:33:00 +01:00
qemu-sockets.c qemu-sockets: Simplify setting numeric and boolean options 2015-02-26 14:51:53 +01:00
qemu-thread-posix.c qemu-thread: do not use PTHREAD_MUTEX_ERRORCHECK 2015-03-10 10:49:25 +01:00
qemu-thread-win32.c qemu-thread: add per-thread atexit functions 2015-01-13 13:43:29 +00:00
qemu-timer-common.c Allow clock_gettime() monotonic clock to be utilized on more OS's 2013-04-04 20:22:45 -05:00
rcu.c rcu: handle forks safely 2015-03-10 10:49:25 +01:00
readline.c readline: Clear screen on form feed. 2014-06-11 10:10:29 -04:00
rfifolock.c rfifolock: add recursive FIFO lock 2014-03-13 14:42:21 +01:00
throttle.c throttle: add throttle_detach/attach_aio_context() 2014-06-04 09:56:12 +02:00
unicode.c unicode: New mod_utf8_codepoint() 2013-04-13 19:39:59 +00:00
uri.c util/uri: URI member path can be null, compare more carfully 2015-02-10 09:27:20 +03:00