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Use pgrp of pty fd not pid of immediate child when recovering current working

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directory (like current process). From Marcel Partap.
This commit is contained in:
Nicholas Marriott
2012-09-24 14:05:38 +01:00
parent 5b85efeb93
commit 5d60bc7f7c
13 changed files with 41 additions and 23 deletions
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8
osdep-linux.c
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@ -61,13 +61,17 @@ osdep_get_name(int fd, unused char *tty)
}
char *
osdep_get_cwd(pid_t pid)
osdep_get_cwd(int fd)
{
static char target[MAXPATHLEN + 1];
char *path;
pid_t pgrp;
ssize_t n;
xasprintf(&path, "/proc/%d/cwd", pid);
if ((pgrp = tcgetpgrp(fd)) == -1)
return (NULL);
xasprintf(&path, "/proc/%lld/cwd", (long long) pgrp);
n = readlink(path, target, MAXPATHLEN);
free(path);
if (n > 0) {