JehanneOS/newlib
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* path.cc (path_conv::check): Use 'strchr' rather than 'strrchr' to find end of

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string, for efficiency.
* include/cygwin/_types.h: New file.
* include/sys/lock.h: Ditto.
* include/sys/stdio.h: Ditto.
* thread.cc: Include sys/lock.h
(__cygwin_lock_init): New function.
(__cygwin_lock_init_recursive): Ditto.
(__cygwin_lock_fini): Ditto.
(__cygwin_lock_lock): Ditto.
(__cygwin_lock_trylock): Ditto.
(__cygwin_lock_unlock): Ditto.
(pthread::atforkprepare): Lock file pointer before fork.
(pthread::atforkparent): Unlock file pointer after fork.
(pthread::atforkchild): Ditto.
This commit is contained in:
Christopher Faylor
2004-03-26 20:02:01 +00:00
parent 6b0d86c56d
commit 11a9a1cfbd
3 changed files with 69 additions and 1 deletions
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47
winsup/cygwin/thread.cc
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@ -44,6 +44,10 @@ details. */
#include <sys/timeb.h>
#include <exceptions.h>
#include <sys/fcntl.h>
#include <sys/lock.h>
extern "C" void __fp_lock_all ();
extern "C" void __fp_unlock_all ();
extern int threadsafe;
@ -54,6 +58,43 @@ __getreent ()
return &_my_tls.local_clib;
}
extern "C" void
__cygwin_lock_init (_LOCK_T *lock)
{
*lock = _LOCK_T_INITIALIZER;
}
extern "C" void
__cygwin_lock_init_recursive (_LOCK_T *lock)
{
*lock = _LOCK_T_RECURSIVE_INITIALIZER;
}
extern "C" void
__cygwin_lock_fini (_LOCK_T *lock)
{
pthread_mutex_destroy ((pthread_mutex_t*) lock);
}
extern "C" void
__cygwin_lock_lock (_LOCK_T *lock)
{
pthread_mutex_lock ((pthread_mutex_t*) lock);
}
extern "C" void
__cygwin_lock_trylock (_LOCK_T *lock)
{
pthread_mutex_trylock ((pthread_mutex_t*) lock);
}
extern "C" void
__cygwin_lock_unlock (_LOCK_T *lock)
{
pthread_mutex_unlock ((pthread_mutex_t*) lock);
}
inline LPCRITICAL_SECTION
ResourceLocks::Lock (int _resid)
{
@ -1908,11 +1949,15 @@ pthread::atforkprepare (void)
cb->cb ();
cb = cb->next;
}
__fp_lock_all ();
}
void
pthread::atforkparent (void)
{
__fp_unlock_all ();
callback *cb = MT_INTERFACE->pthread_parent;
while (cb)
{
@ -1926,6 +1971,8 @@ pthread::atforkchild (void)
{
MT_INTERFACE->fixup_after_fork ();
__fp_unlock_all ();
callback *cb = MT_INTERFACE->pthread_child;
while (cb)
{