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authorPascal Bellard2010-07-04 15:32:38 +0200
committerDenys Vlasenko2010-07-04 15:32:38 +0200
commit926031b7640bf5aad2ffcd54b096911743a47d97 (patch)
tree093e0e1bab2c905a97c5880e4942e2000ada7e72 /libbb
parent243d1757d798a0cd43f51eb1db75cc1e81c65732 (diff)
downloadbusybox-926031b7640bf5aad2ffcd54b096911743a47d97.zip
busybox-926031b7640bf5aad2ffcd54b096911743a47d97.tar.gz
*: introduce and use xfork() and xvfork()
function old new delta launch_helper 170 169 -1 setup_heredoc 312 302 -10 handle_dir_common 367 354 -13 expand_vars_to_list 2456 2443 -13 open_transformer 89 74 -15 data_extract_to_command 439 423 -16 do_ipaddr 1406 1389 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-85) Total: -85 bytes Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
-rw-r--r--libbb/vfork_daemon_rexec.c16
-rw-r--r--libbb/xfuncs_printf.c11
2 files changed, 12 insertions, 15 deletions
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c
index 8102ea2..5c2c529 100644
--- a/libbb/vfork_daemon_rexec.c
+++ b/libbb/vfork_daemon_rexec.c
@@ -224,26 +224,12 @@ pid_t FAST_FUNC fork_or_rexec(char **argv)
/* Maybe we are already re-execed and come here again? */
if (re_execed)
return 0;
- pid = vfork();
- if (pid < 0) /* wtf? */
- bb_perror_msg_and_die("vfork");
+ pid = xvfork();
if (pid) /* parent */
return pid;
/* child - re-exec ourself */
re_exec(argv);
}
-#else
-/* Dance around (void)...*/
-#undef fork_or_rexec
-pid_t FAST_FUNC fork_or_rexec(void)
-{
- pid_t pid;
- pid = fork();
- if (pid < 0) /* wtf? */
- bb_perror_msg_and_die("fork");
- return pid;
-}
-#define fork_or_rexec(argv) fork_or_rexec()
#endif
/* Due to a #define in libbb.h on MMU systems we actually have 1 argument -
diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c
index f021493..7069a7c 100644
--- a/libbb/xfuncs_printf.c
+++ b/libbb/xfuncs_printf.c
@@ -589,3 +589,14 @@ void FAST_FUNC generate_uuid(uint8_t *buf)
/* variant = 10x */
buf[4 + 2 + 2] = (buf[4 + 2 + 2] & 0x3f) | 0x80;
}
+
+#if BB_MMU
+pid_t FAST_FUNC xfork(void)
+{
+ pid_t pid;
+ pid = fork();
+ if (pid < 0) /* wtf? */
+ bb_perror_msg_and_die("vfork"+1);
+ return pid;
+}
+#endif