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* times.cc (hires::prime): Restore thread priority on failure condition.

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* uinfo.cc (uinfo_init): Use more robust method for determining if process was
invoked from a non-cygwin process.
* sync.h (muto::init): Eliminate "inheritance" parameter.
(new_muto): Reflect removal of parameter.
* sync.cc (muto::init): Ditto.
* cygheap.cc (cygheap_init): Ditto.
* debug.cc (threadname_init): Ditto.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* grp.cc (group_lock): Use different method for locking with static member.
(read_etc_group): REALLY ensure that read lock mutex is released.
* passwd.cc (passwd_lock): Use different method for locking with static member.
(read_etc_passwd): REALLY ensure that read lock mutex is released.
* shared.cc (sec_user): Correct reversed inheritance test.
This commit is contained in:
Christopher Faylor
2002-02-17 04:59:55 +00:00
parent 9490dffa7b
commit 2bd22312df
14 changed files with 67 additions and 33 deletions
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20
winsup/cygwin/passwd.cc
View File

@@ -111,17 +111,24 @@ add_pwd_line (char *line)
class passwd_lock
{
pthread_mutex_t mutex;
bool armed;
static NO_COPY pthread_mutex_t mutex;
public:
passwd_lock (): mutex ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER) {}
void arm () {pthread_mutex_lock (&mutex); }
passwd_lock (bool doit)
{
if (doit)
pthread_mutex_lock (&mutex);
armed = doit;
}
~passwd_lock ()
{
if (mutex != (pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)
if (armed)
pthread_mutex_unlock (&mutex);
}
};
pthread_mutex_t NO_COPY passwd_lock::mutex = (pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER;
/* Read in /etc/passwd and save contents in the password cache.
This sets passwd_state to loaded or emulated so functions in this file can
tell that /etc/passwd has been read in or will be emulated. */
@@ -133,10 +140,7 @@ read_etc_passwd ()
* for non-shared mutexs in the future. Also, this function will at most be called
* once from each thread, after that the passwd_state test will succeed
*/
static NO_COPY passwd_lock here;
if (cygwin_finished_initializing)
here.arm ();
passwd_lock here (cygwin_finished_initializing);
/* if we got blocked by the mutex, then etc_passwd may have been processed */
if (passwd_state != uninitialized)