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-rw-r--r--ChangeLog6
-rw-r--r--Src/exec.c2
-rw-r--r--Src/parse.c7
3 files changed, 15 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 387d3f230..37436aae4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-07-20 Peter Stephenson <p.w.stephenson@ntlworld.com>
+
+ * 31545: Src/exec.c, Src/parse.c: if FD_CLOEXEC is available,
+ so mark dump file file descriptors, avoiding possible
+ multiple use of file descriptors.
+
2013-07-19 Peter Stephenson <p.w.stephenson@ntlworld.com>
* c.f. 31531: Completion/Unix/Command/_imagemagick,
diff --git a/Src/exec.c b/Src/exec.c
index d462d97c6..f9efb3a19 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -448,7 +448,9 @@ zexecve(char *pth, char **argv, char **newenvp)
else
sprintf(buf + 2, "%s/%s", pwd, pth);
zputenv(buf);
+#ifndef FD_CLOEXEC
closedumps();
+#endif
if (newenvp == NULL)
newenvp = environ;
diff --git a/Src/parse.c b/Src/parse.c
index 753080d70..b670925de 100644
--- a/Src/parse.c
+++ b/Src/parse.c
@@ -3171,6 +3171,9 @@ load_dump_file(char *dump, struct stat *sbuf, int other, int len)
d->dev = sbuf->st_dev;
d->ino = sbuf->st_ino;
d->fd = fd;
+#ifdef FD_CLOEXEC
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+#endif
d->map = addr + (other ? (len - off) / sizeof(wordcode) : 0);
d->addr = addr;
d->len = len;
@@ -3439,6 +3442,7 @@ decrdumpcount(FuncDump f)
}
}
+#ifndef FD_CLOEXEC
/**/
mod_export void
closedumps(void)
@@ -3448,6 +3452,7 @@ closedumps(void)
for (p = dumps; p; p = p->next)
zclose(p->fd);
}
+#endif
#else
@@ -3461,11 +3466,13 @@ decrdumpcount(FuncDump f)
{
}
+#ifndef FD_CLOEXEC
/**/
mod_export void
closedumps(void)
{
}
+#endif
#endif