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authorPanu Matilainen <pmatilai@redhat.com>2010-08-20 13:47:05 +0300
committerPanu Matilainen <pmatilai@redhat.com>2010-08-20 13:52:47 +0300
commit2c2faa299e6c1f2a9b6f8220c75cf878d4e005b0 (patch)
tree0c8aaf9202d523a61de95b3f623b76e1ad1adf84 /cliutils.c
parentd391d5ec60c9fadb10236b8af236ac4b130cd2bd (diff)
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Move --pipe handling to cliutils helpers
Diffstat (limited to 'cliutils.c')
-rw-r--r--cliutils.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/cliutils.c b/cliutils.c
index f022803dd..23c632372 100644
--- a/cliutils.c
+++ b/cliutils.c
@@ -2,6 +2,8 @@
#if HAVE_MCHECK_H
#include <mcheck.h>
#endif
+#include <sys/wait.h>
+
#include <rpm/rpmlog.h>
#include <rpm/rpmlib.h>
#include <rpm/rpmfileutil.h>
@@ -10,6 +12,8 @@
#include "cliutils.h"
#include "debug.h"
+static pid_t pipeChild = 0;
+
RPM_GNUC_NORETURN
void argerror(const char * desc)
{
@@ -110,3 +114,37 @@ int finishCli(poptContext optCon, int rc)
/* XXX Avoid exit status overflow. Status 255 is special to xargs(1) */
return (rc > 254) ? 254 : rc;
}
+
+int initPipe(void)
+{
+ int p[2];
+
+ if (pipe(p) < 0) {
+ fprintf(stderr, _("creating a pipe for --pipe failed: %m\n"));
+ return -1;
+ }
+
+ if (!(pipeChild = fork())) {
+ (void) signal(SIGPIPE, SIG_DFL);
+ (void) close(p[1]);
+ (void) dup2(p[0], STDIN_FILENO);
+ (void) close(p[0]);
+ (void) execl("/bin/sh", "/bin/sh", "-c", rpmcliPipeOutput, NULL);
+ fprintf(stderr, _("exec failed\n"));
+ exit(EXIT_FAILURE);
+ }
+
+ (void) close(p[0]);
+ (void) dup2(p[1], STDOUT_FILENO);
+ (void) close(p[1]);
+ return 0;
+}
+
+void finishPipe(void)
+{
+ int status;
+ if (pipeChild) {
+ (void) fclose(stdout);
+ (void) waitpid(pipeChild, &status, 0);
+ }
+}