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authorFlorian Weimer <fweimer@redhat.com>2017-04-18 14:56:51 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-04-18 14:56:51 +0200
commitcef9b65376a044309f74b77860ccf3c48a4ae315 (patch)
treec934a9b57903468b9a2754c1cf8f99f2a94c9269 /nis
parentb48061e1a534a2421c65e4258418d41a5335ba32 (diff)
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Assume that O_CLOEXEC is always defined and works
Diffstat (limited to 'nis')
-rw-r--r--nis/nss_compat/compat-grp.c52
-rw-r--r--nis/nss_compat/compat-initgroups.c52
-rw-r--r--nis/nss_compat/compat-pwd.c52
-rw-r--r--nis/nss_compat/compat-spwd.c52
4 files changed, 8 insertions, 200 deletions
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c
index e830a2f..0381458 100644
--- a/nis/nss_compat/compat-grp.c
+++ b/nis/nss_compat/compat-grp.c
@@ -70,19 +70,6 @@ static ent_t ext_ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
-/* Positive if O_CLOEXEC is supported, negative if it is not supported,
- zero if it is still undecided. This variable is shared with the
- other compat functions. */
-#ifdef __ASSUME_O_CLOEXEC
-# define __compat_have_cloexec 1
-#else
-# ifdef O_CLOEXEC
-int __compat_have_cloexec;
-# else
-# define __compat_have_cloexec -1
-# endif
-#endif
-
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
static int in_blacklist (const char *, int, ent_t *);
@@ -125,43 +112,8 @@ internal_setgrent (ent_t *ent, int stayopen, int needent)
if (ent->stream == NULL)
status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
else
- {
- /* We have to make sure the file is `closed on exec'. */
- int result = 0;
-
- if (__compat_have_cloexec <= 0)
- {
- int flags;
- result = flags = fcntl (fileno_unlocked (ent->stream), F_GETFD,
- 0);
- if (result >= 0)
- {
-#if defined O_CLOEXEC && !defined __ASSUME_O_CLOEXEC
- if (__compat_have_cloexec == 0)
- __compat_have_cloexec = (flags & FD_CLOEXEC) ? 1 : -1;
-
- if (__compat_have_cloexec < 0)
-#endif
- {
- flags |= FD_CLOEXEC;
- result = fcntl (fileno_unlocked (ent->stream), F_SETFD,
- flags);
- }
- }
- }
-
- if (result < 0)
- {
- /* Something went wrong. Close the stream and return a
- failure. */
- fclose (ent->stream);
- ent->stream = NULL;
- status = NSS_STATUS_UNAVAIL;
- }
- else
- /* We take care of locking ourself. */
- __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
- }
+ /* We take care of locking ourself. */
+ __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
}
else
rewind (ent->stream);
diff --git a/nis/nss_compat/compat-initgroups.c b/nis/nss_compat/compat-initgroups.c
index 1b37e0c..7952134 100644
--- a/nis/nss_compat/compat-initgroups.c
+++ b/nis/nss_compat/compat-initgroups.c
@@ -77,20 +77,6 @@ struct ent_t
};
typedef struct ent_t ent_t;
-
-/* Positive if O_CLOEXEC is supported, negative if it is not supported,
- zero if it is still undecided. This variable is shared with the
- other compat functions. */
-#ifdef __ASSUME_O_CLOEXEC
-# define __compat_have_cloexec 1
-#else
-# ifdef O_CLOEXEC
-extern int __compat_have_cloexec;
-# else
-# define __compat_have_cloexec -1
-# endif
-#endif
-
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
static int in_blacklist (const char *, int, ent_t *);
@@ -141,42 +127,8 @@ internal_setgrent (ent_t *ent)
if (ent->stream == NULL)
status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
else
- {
- /* We have to make sure the file is `closed on exec'. */
- int result = 0;
-
- if (__compat_have_cloexec <= 0)
- {
- int flags;
- result = flags = fcntl (fileno_unlocked (ent->stream), F_GETFD, 0);
- if (result >= 0)
- {
-#if defined O_CLOEXEC && !defined __ASSUME_O_CLOEXEC
- if (__compat_have_cloexec == 0)
- __compat_have_cloexec = (flags & FD_CLOEXEC) ? 1 : -1;
-
- if (__compat_have_cloexec < 0)
-#endif
- {
- flags |= FD_CLOEXEC;
- result = fcntl (fileno_unlocked (ent->stream), F_SETFD,
- flags);
- }
- }
- }
-
- if (result < 0)
- {
- /* Something went wrong. Close the stream and return a
- failure. */
- fclose (ent->stream);
- ent->stream = NULL;
- status = NSS_STATUS_UNAVAIL;
- }
- else
- /* We take care of locking ourself. */
- __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
- }
+ /* We take care of locking ourself. */
+ __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
return status;
}
diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c
index 28ae7fb..0583a10 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nis/nss_compat/compat-pwd.c
@@ -80,19 +80,6 @@ static ent_t ext_ent = { false, false, true, NSS_STATUS_SUCCESS, NULL,
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
-/* Positive if O_CLOEXEC is supported, negative if it is not supported,
- zero if it is still undecided. This variable is shared with the
- other compat functions. */
-#ifdef __ASSUME_O_CLOEXEC
-# define __compat_have_cloexec 1
-#else
-# ifdef O_CLOEXEC
-extern int __compat_have_cloexec;
-# else
-# define __compat_have_cloexec -1
-# endif
-#endif
-
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
static int in_blacklist (const char *, int, ent_t *);
@@ -240,43 +227,8 @@ internal_setpwent (ent_t *ent, int stayopen, int needent)
if (ent->stream == NULL)
status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
else
- {
- /* We have to make sure the file is `closed on exec'. */
- int result = 0;
-
- if (__compat_have_cloexec <= 0)
- {
- int flags;
- result = flags = fcntl (fileno_unlocked (ent->stream), F_GETFD,
- 0);
- if (result >= 0)
- {
-#if defined O_CLOEXEC && !defined __ASSUME_O_CLOEXEC
- if (__compat_have_cloexec == 0)
- __compat_have_cloexec = (flags & FD_CLOEXEC) ? 1 : -1;
-
- if (__compat_have_cloexec < 0)
-#endif
- {
- flags |= FD_CLOEXEC;
- result = fcntl (fileno_unlocked (ent->stream), F_SETFD,
- flags);
- }
- }
- }
-
- if (result < 0)
- {
- /* Something went wrong. Close the stream and return a
- failure. */
- fclose (ent->stream);
- ent->stream = NULL;
- status = NSS_STATUS_UNAVAIL;
- }
- else
- /* We take care of locking ourself. */
- __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
- }
+ /* We take care of locking ourself. */
+ __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
}
else
rewind (ent->stream);
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index 550444c..eec3af3 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -77,19 +77,6 @@ static ent_t ext_ent = { false, true, false, NSS_STATUS_SUCCESS, NULL,
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
-/* Positive if O_CLOEXEC is supported, negative if it is not supported,
- zero if it is still undecided. This variable is shared with the
- other compat functions. */
-#ifdef __ASSUME_O_CLOEXEC
-# define __compat_have_cloexec 1
-#else
-# ifdef O_CLOEXEC
-extern int __compat_have_cloexec;
-# else
-# define __compat_have_cloexec -1
-# endif
-#endif
-
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
static int in_blacklist (const char *, int, ent_t *);
@@ -196,43 +183,8 @@ internal_setspent (ent_t *ent, int stayopen, int needent)
if (ent->stream == NULL)
status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
else
- {
- /* We have to make sure the file is `closed on exec'. */
- int result = 0;
-
- if (__compat_have_cloexec <= 0)
- {
- int flags;
- result = flags = fcntl (fileno_unlocked (ent->stream), F_GETFD,
- 0);
- if (result >= 0)
- {
-#if defined O_CLOEXEC && !defined __ASSUME_O_CLOEXEC
- if (__compat_have_cloexec == 0)
- __compat_have_cloexec = (flags & FD_CLOEXEC) ? 1 : -1;
-
- if (__compat_have_cloexec < 0)
-#endif
- {
- flags |= FD_CLOEXEC;
- result = fcntl (fileno_unlocked (ent->stream), F_SETFD,
- flags);
- }
- }
- }
-
- if (result < 0)
- {
- /* Something went wrong. Close the stream and return a
- failure. */
- fclose (ent->stream);
- ent->stream = NULL;
- status = NSS_STATUS_UNAVAIL;
- }
- else
- /* We take care of locking ourself. */
- __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
- }
+ /* We take care of locking ourself. */
+ __fsetlocking (ent->stream, FSETLOCKING_BYCALLER);
}
else
rewind (ent->stream);