From: Julian Seward <jseward@acm.org>
Date: Sun, 23 Feb 2003 03:26:08 +0000 (+0000)
Subject: Hopefully deal with system 252 (__NR_exit_group) correctly.
X-Git-Tag: svn/VALGRIND_1_9_4~21
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9065d62ecc27f71023cdeca37b13b149c0bc17e2;p=thirdparty%2Fvalgrind.git

Hopefully deal with system 252 (__NR_exit_group) correctly.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1427
---

diff --git a/coregrind/vg_scheduler.c b/coregrind/vg_scheduler.c
index 3f047cfa7b..cd0d5e5024 100644
--- a/coregrind/vg_scheduler.c
+++ b/coregrind/vg_scheduler.c
@@ -1433,7 +1433,11 @@ VgSchedReturnCode VG_(scheduler) ( void )
                __libc_freeres does some invalid frees which crash
                the unprotected malloc/free system. */
 
-            if (VG_(threads)[tid].m_eax == __NR_exit) {
+            if (VG_(threads)[tid].m_eax == __NR_exit
+#               if defined(__NR_exit_group)
+                || VG_(threads)[tid].m_eax == __NR_exit_group
+#               endif
+               ) {
 
                /* If __NR_exit, remember the supplied argument. */
                VG_(exitcode) = VG_(threads)[tid].m_ebx; /* syscall arg1 */
@@ -1467,7 +1471,14 @@ VgSchedReturnCode VG_(scheduler) ( void )
             }
 
             /* We've dealt with __NR_exit at this point. */
-            vg_assert(VG_(threads)[tid].m_eax != __NR_exit);
+            { Bool b
+                  = VG_(threads)[tid].m_eax != __NR_exit
+#                   if defined(__NR_exit_group)
+                    && VG_(threads)[tid].m_eax != __NR_exit_group
+#                   endif
+                    ;
+              vg_assert(b);
+            }
 
             /* Trap syscalls to __NR_sched_yield and just have this
                thread yield instead.  Not essential, just an
diff --git a/coregrind/vg_syscalls.c b/coregrind/vg_syscalls.c
index 332b570ed8..a3ff26b5f9 100644
--- a/coregrind/vg_syscalls.c
+++ b/coregrind/vg_syscalls.c
@@ -462,6 +462,12 @@ void VG_(perform_assumed_nonblocking_syscall) ( ThreadId tid )
 
    switch (syscallno) {
 
+#     if defined(__NR_exit_group)
+      case __NR_exit_group:
+         VG_(core_panic)("syscall exit_group() not caught by the scheduler?!");
+         break;
+#     endif
+
       case __NR_exit:
          VG_(core_panic)("syscall exit() not caught by the scheduler?!");
          break;