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authorPascal Bellard2010-07-04 15:32:38 +0200
committerDenys Vlasenko2010-07-04 15:32:38 +0200
commit926031b7640bf5aad2ffcd54b096911743a47d97 (patch)
tree093e0e1bab2c905a97c5880e4942e2000ada7e72 /archival
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 'archival')
-rw-r--r--archival/libunarchive/data_extract_to_command.c7
-rw-r--r--archival/libunarchive/open_transformer.c14
-rw-r--r--archival/tar.c4
3 files changed, 5 insertions, 20 deletions
diff --git a/archival/libunarchive/data_extract_to_command.c b/archival/libunarchive/data_extract_to_command.c
index eb09439..95f5bc8 100644
--- a/archival/libunarchive/data_extract_to_command.c
+++ b/archival/libunarchive/data_extract_to_command.c
@@ -82,11 +82,8 @@ void FAST_FUNC data_extract_to_command(archive_handle_t *archive_handle)
memset(tar_env, 0, sizeof(tar_env));
xpipe(p);
- pid = BB_MMU ? fork() : vfork();
- switch (pid) {
- case -1:
- bb_perror_msg_and_die(BB_MMU ? "fork" : "vfork");
- case 0:
+ pid = BB_MMU ? xfork() : xvfork();
+ if (pid == 0) {
/* Child */
/* str2env(tar_env, TAR_FILETYPE, "f"); - parent should do it once */
oct2env(tar_env, TAR_MODE, file_header->mode);
diff --git a/archival/libunarchive/open_transformer.c b/archival/libunarchive/open_transformer.c
index 47c13e6..cba049f 100644
--- a/archival/libunarchive/open_transformer.c
+++ b/archival/libunarchive/open_transformer.c
@@ -19,19 +19,9 @@ void FAST_FUNC open_transformer(int fd,
int pid;
xpiped_pair(fd_pipe);
-
-#if BB_MMU
- pid = fork();
- if (pid == -1)
- bb_perror_msg_and_die("vfork" + 1);
-#else
- pid = vfork();
- if (pid == -1)
- bb_perror_msg_and_die("vfork");
-#endif
-
+ pid = BB_MMU ? xfork() : xvfork();
if (pid == 0) {
- /* child process */
+ /* Child */
close(fd_pipe.rd); /* we don't want to read from the parent */
// FIXME: error check?
#if BB_MMU
diff --git a/archival/tar.c b/archival/tar.c
index f49fb12..9dd7453 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -514,9 +514,7 @@ static void NOINLINE vfork_compressor(int tar_fd, int gzip)
(void) &zip_exec;
# endif
- gzipPid = vfork();
- if (gzipPid < 0)
- bb_perror_msg_and_die("vfork");
+ gzipPid = xvfork();
if (gzipPid == 0) {
/* child */