diff options
Diffstat (limited to 'winsup/cygwin/posix_ipc.cc')
| -rw-r--r-- | winsup/cygwin/posix_ipc.cc | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/winsup/cygwin/posix_ipc.cc b/winsup/cygwin/posix_ipc.cc index f9090ae14..102691ecb 100644 --- a/winsup/cygwin/posix_ipc.cc +++ b/winsup/cygwin/posix_ipc.cc @@ -16,6 +16,7 @@ details. */ #include "dtable.h" #include "cygheap.h" #include "sigproc.h" +#include "ntdll.h" #include <sys/mman.h> #include <sys/param.h> #include <stdlib.h> @@ -87,10 +88,13 @@ static int ipc_mutex_init (HANDLE *pmtx, const char *name) { char buf[MAX_PATH]; - __small_sprintf (buf, "%scyg_pmtx/%s", cygheap->shared_prefix, name); - *pmtx = CreateMutex (&sec_all, FALSE, buf); + SECURITY_ATTRIBUTES sa = sec_none; + + __small_sprintf (buf, "mqueue/mtx_%W", name); + sa.lpSecurityDescriptor = everyone_sd (CYG_MUTANT_ACCESS); + *pmtx = CreateMutex (&sa, FALSE, buf); if (!*pmtx) - debug_printf ("failed: %E\n"); + debug_printf ("CreateMutex: %E"); return *pmtx ? 0 : geterrno_from_win_error (); } @@ -129,10 +133,13 @@ static int ipc_cond_init (HANDLE *pevt, const char *name) { char buf[MAX_PATH]; - __small_sprintf (buf, "%scyg_pevt/%s", cygheap->shared_prefix, name); - *pevt = CreateEvent (&sec_all, TRUE, FALSE, buf); + SECURITY_ATTRIBUTES sa = sec_none; + + __small_sprintf (buf, "mqueue/evt_%W", name); + sa.lpSecurityDescriptor = everyone_sd (CYG_EVENT_ACCESS); + *pevt = CreateEvent (&sa, TRUE, FALSE, buf); if (!*pevt) - debug_printf ("failed: %E\n"); + debug_printf ("CreateEvent: %E"); return *pevt ? 0 : geterrno_from_win_error (); } @@ -387,7 +394,7 @@ again: __seterrno (); goto err; } - __small_sprintf (mqhdr->mqh_uname, "cyg%016X%08x%08x", + __small_sprintf (mqhdr->mqh_uname, "%016X%08x%08x", hash_path_name (0,mqname), luid.HighPart, luid.LowPart); mqhdr->mqh_head = 0; |