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add_cmd                                             1189    1190      +1
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data_align                                            86      84      -2
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forkexec                                            1345    1334     -11
This commit is contained in:
Denis Vlasenko
2008-02-16 13:18:17 +00:00
parent 069e347863
commit 284d0faed6
17 changed files with 46 additions and 42 deletions
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9
archival/tar.c
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@ -546,13 +546,16 @@ static int writeTarFile(const int tar_fd, const int verboseFlag,
if (gzipPid == 0) {
/* child */
xmove_fd(tbInfo.tarFd, 1);
xmove_fd(gzipDataPipe.rd, 0);
/* NB: close _first_, then move fds! */
close(gzipDataPipe.wr);
#if WAIT_FOR_CHILD
close(gzipStatusPipe.rd);
/* gzipStatusPipe.wr will close only on exec -
* parent waits for this close to happen */
fcntl(gzipStatusPipe.wr, F_SETFD, FD_CLOEXEC);
#endif
xmove_fd(gzipDataPipe.rd, 0);
xmove_fd(tbInfo.tarFd, 1);
/* exec gzip/bzip2 program/applet */
BB_EXECLP(zip_exec, zip_exec, "-f", NULL);
vfork_exec_errno = errno;
@ -570,7 +573,7 @@ static int writeTarFile(const int tar_fd, const int verboseFlag,
/* Wait until child execs (or fails to) */
n = full_read(gzipStatusPipe.rd, &buf, 1);
if ((n < 0) && (/*errno == EAGAIN ||*/ errno == EINTR))
if (n < 0 /* && errno == EAGAIN */)
continue; /* try it again */
}