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| author | Ulrich Drepper <drepper@redhat.com> | 2003-09-13 05:52:57 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-09-13 05:52:57 +0000 |
| commit | 5737546087fce5c2eebfa60f0c5438fc70b2e248 (patch) | |
| tree | 4b9d3c010f8cab1709e7b458c9f138204871f87b /sysdeps/unix/sysv/linux/if_index.c | |
| parent | 8dab36a1198f257efaf7ddf71b768914ed50c898 (diff) | |
| download | glibc-5737546087fce5c2eebfa60f0c5438fc70b2e248.tar.gz glibc-5737546087fce5c2eebfa60f0c5438fc70b2e248.tar.xz glibc-5737546087fce5c2eebfa60f0c5438fc70b2e248.zip | |
Update.
* sysdeps/unix/sysv/linux/if_index.c: Use only non-cancelable interfaces.
Diffstat (limited to 'sysdeps/unix/sysv/linux/if_index.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/if_index.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c index 46f8b1ec11..9922cedf43 100644 --- a/sysdeps/unix/sysv/linux/if_index.c +++ b/sysdeps/unix/sysv/linux/if_index.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997,98,99,2000,02 Free Software Foundation, Inc. +/* Copyright (C) 1997,98,99,2000,2002,2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,6 +25,7 @@ #include <sys/socket.h> #include <sys/ioctl.h> #include <bits/libc-lock.h> +#include <not-cancel.h> #include "kernel-features.h" @@ -53,12 +54,12 @@ if_nametoindex (const char *ifname) if (__ioctl (fd, SIOCGIFINDEX, &ifr) < 0) { int saved_errno = errno; - __close (fd); + close_not_cancel_no_status (fd); if (saved_errno == EINVAL) __set_errno (ENOSYS); return 0; } - __close (fd); + close_not_cancel_no_status (fd); return ifr.ifr_ifindex; #endif } @@ -120,9 +121,9 @@ if_nameindex (void) do { ifc.ifc_buf = alloca (ifc.ifc_len = rq_len); - if (ifc.ifc_buf == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0) + if (__ioctl (fd, SIOCGIFCONF, &ifc) < 0) { - __close (fd); + close_not_cancel_no_status (fd); return NULL; } rq_len *= 2; @@ -134,7 +135,7 @@ if_nameindex (void) idx = malloc ((nifs + 1) * sizeof (struct if_nameindex)); if (idx == NULL) { - __close (fd); + close_not_cancel_no_status (fd); __set_errno (ENOBUFS); return NULL; } @@ -152,7 +153,7 @@ if_nameindex (void) for (j = 0; j < i; ++j) free (idx[j].if_name); free (idx); - __close (fd); + close_not_cancel_no_status (fd); if (saved_errno == EINVAL) saved_errno = ENOSYS; else if (saved_errno == ENOMEM) @@ -166,7 +167,7 @@ if_nameindex (void) idx[i].if_index = 0; idx[i].if_name = NULL; - __close (fd); + close_not_cancel_no_status (fd); return idx; #endif } @@ -208,7 +209,7 @@ if_indextoname (unsigned int ifindex, char *ifname) ifr.ifr_ifindex = ifindex; status = __ioctl (fd, SIOCGIFNAME, &ifr); - __close (fd); + close_not_cancel_no_status (fd); # if __ASSUME_SIOCGIFNAME == 0 if (status < 0) @@ -288,9 +289,9 @@ __protocol_available (int *have_inet, int *have_inet6) do { ifc.ifc_buf = alloca (ifc.ifc_len = rq_len); - if (ifc.ifc_buf == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0) + if (__ioctl (fd, SIOCGIFCONF, &ifc) < 0) { - __close (fd); + close_not_cancel_no_status (fd); return; } rq_len *= 2; @@ -317,6 +318,6 @@ __protocol_available (int *have_inet, int *have_inet6) break; } - __close (fd); + close_not_cancel_no_status (fd); } #endif |