From: Rasmus Lerdorf <rasmus@php.net>
Date: Tue, 18 Mar 2008 21:14:28 +0000 (+0000)
Subject: Make the sigsetjmp change more robust.  On systems that don't have
X-Git-Tag: BEFORE_NEW_PARAMETER_PARSE~539
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=10afe5d96bc3d562958e905102de1db44188ac2b;p=php

Make the sigsetjmp change more robust.  On systems that don't have
sigsetjmp use setjmp.  Windows is of course weird in that it seems to
have sigsetjmp but not sigjmp_buf (??) so force it to use setjmp in
config.w32.h.in
---

diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index 61150fab00..bbb3411a4a 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -109,7 +109,7 @@ dnl Checks for library functions.
 AC_FUNC_VPRINTF
 AC_FUNC_MEMCMP
 AC_FUNC_ALLOCA
-AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass)
+AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass sigsetjmp)
 AC_ZEND_BROKEN_SPRINTF
 
 AC_CHECK_FUNCS(finite isfinite isinf isnan)
diff --git a/Zend/zend.c b/Zend/zend.c
index a7bd8a773d..71b39fcb74 100644
--- a/Zend/zend.c
+++ b/Zend/zend.c
@@ -794,7 +794,7 @@ ZEND_API void _zend_bailout(char *filename, uint lineno) /* {{{ */
 	CG(unclean_shutdown) = 1;
 	CG(in_compilation) = EG(in_execution) = 0;
 	EG(current_execute_data) = NULL;
-	siglongjmp(*EG(bailout), FAILURE);
+	LONGJMP(*EG(bailout), FAILURE);
 }
 /* }}} */
 END_EXTERN_C()
diff --git a/Zend/zend.h b/Zend/zend.h
index 2d7a21e1dc..5249f8c078 100644
--- a/Zend/zend.h
+++ b/Zend/zend.h
@@ -520,13 +520,23 @@ END_EXTERN_C()
 
 #define zend_bailout()		_zend_bailout(__FILE__, __LINE__)
 
+#ifdef HAVE_SIGSETJMP
+#	define SETJMP(a) sigsetjmp(a, 0)
+#	define LONGJMP(a,b) siglongjmp(a, b)
+#	define JMP_BUF sigjmp_buf
+#else
+#	define SETJMP(a) setjmp(a)
+#	define LONGJMP(a,b) longjmp(a, b)
+#	define JMP_BUF jmp_buf
+#endif
+
 #define zend_try												\
 	{															\
-		sigjmp_buf *__orig_bailout = EG(bailout);					\
-		sigjmp_buf __bailout;										\
+		JMP_BUF *__orig_bailout = EG(bailout);					\
+		JMP_BUF __bailout;										\
 																\
 		EG(bailout) = &__bailout;								\
-		if (sigsetjmp(__bailout, 0)==0) {
+		if (SETJMP(__bailout)==0) {
 #define zend_catch												\
 		} else {												\
 			EG(bailout) = __orig_bailout;
diff --git a/Zend/zend_globals.h b/Zend/zend_globals.h
index 3e3e34a1d6..66997b3ae0 100644
--- a/Zend/zend_globals.h
+++ b/Zend/zend_globals.h
@@ -161,7 +161,7 @@ struct _zend_executor_globals {
 
 	HashTable included_files;	/* files already included */
 
-	sigjmp_buf *bailout;
+	JMP_BUF *bailout;
 
 	int error_reporting;
 	int orig_error_reporting;
diff --git a/win32/build/config.w32.h.in b/win32/build/config.w32.h.in
index 442850a3e5..5a3311856b 100644
--- a/win32/build/config.w32.h.in
+++ b/win32/build/config.w32.h.in
@@ -54,6 +54,7 @@
 #define NEED_ISBLANK 1
 #define DISCARD_PATH 0
 #undef HAVE_SETITIMER
+#undef HAVE_SIGSETJMP
 #undef HAVE_IODBC
 #define HAVE_LIBDL 1
 #define HAVE_GETTIMEOFDAY 1