diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index f66363f7d..625e05957 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -2540,7 +2540,9 @@ login (struct utmp *ut) pututline (ut); endutent (); /* Writing to wtmp must be atomic to prevent mixed up data. */ - HANDLE mutex = CreateMutex (NULL, FALSE, shared_name ("wtmp_mutex", 0)); + char mutex_name[MAX_PATH]; + HANDLE mutex = CreateMutex (NULL, FALSE, + shared_name (mutex_name, "wtmp_mutex", 0)); if (mutex) while (WaitForSingleObject (mutex, INFINITE) == WAIT_ABANDONED) ; @@ -2578,7 +2580,9 @@ logout (char *line) memset (ut_buf.ut_user, 0, sizeof ut_buf.ut_user); time (&ut_buf.ut_time); /* Writing to wtmp must be atomic to prevent mixed up data. */ - HANDLE mutex = CreateMutex (NULL, FALSE, shared_name ("wtmp_mutex", 0)); + char mutex_name[MAX_PATH]; + HANDLE mutex = CreateMutex (NULL, FALSE, + shared_name (mutex_name, "wtmp_mutex", 0)); if (mutex) while (WaitForSingleObject (mutex, INFINITE) == WAIT_ABANDONED) ; @@ -2747,7 +2751,9 @@ pututline (struct utmp *ut) return; /* Read/write to utmp must be atomic to prevent overriding data by concurrent processes. */ - HANDLE mutex = CreateMutex (NULL, FALSE, shared_name ("utmp_mutex", 0)); + char mutex_name[MAX_PATH]; + HANDLE mutex = CreateMutex (NULL, FALSE, + shared_name (mutex_name, "utmp_mutex", 0)); if (mutex) while (WaitForSingleObject (mutex, INFINITE) == WAIT_ABANDONED) ; |