1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
--- ./tools/common.c.orig 2010-03-31 03:28:20.000000000 +0200
+++ ./tools/common.c 2010-06-01 13:26:57.576932723 +0200
@@ -58,7 +58,9 @@
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
+#ifdef HAVE_SPAWN_H
#include <spawn.h>
+#endif
#include <sys/wait.h>
#include <popt.h>
@@ -327,6 +329,7 @@
}
}
+#ifdef HAVE_SPAWN_H
void pipeline(const char * const *argv, struct pipeline *pl)
{
posix_spawn_file_actions_t file_acts;
@@ -356,6 +359,36 @@
pl->infd = pipefds[1];
}
+#else
+void pipeline(const char * const *argv, struct pipeline *pl)
+{
+ int pipefds[2];
+ if (pipe(pipefds))
+ die_errno(errno, "pipe");
+
+ pl->pid = fork();
+
+ if (pl->pid == -1)
+ die_errno(errno, "fork: %s", argv[0]);
+ else
+ if (pl->pid == 0) {
+ if (dup2(pipefds[0], 0))
+ die_errno(errno, "dup2()");
+ if (close(pipefds[0]))
+ die_errno(errno, "close()");
+ if (close(pipefds[1]))
+ die_errno(errno, "close()");
+ execvp(argv[0], argv);
+ die_errno(errno, "execvp()");
+ }
+ else {
+ if (close(pipefds[0]))
+ die_errno(errno, "close");
+ }
+
+ pl->infd = pipefds[1];
+}
+#endif
int finish_pipeline(struct pipeline *pl)
{
|
