ust-fd: Add close_range declaration

[lttng-ust.git] / liblttng-ust / compat.h

diff --git a/liblttng-ust/compat.h b/liblttng-ust/compat.h
deleted file mode 100644 (file)
index 200d977..0000000
--- a/liblttng-ust/compat.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright (C) 2016 Raphaël Beamonte <raphael.beamonte@gmail.com>
- * Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com>
- */
-
-#ifndef _UST_COMPAT_H
-#define _UST_COMPAT_H
-
-#include <pthread.h>
-#include <errno.h>
-#include <string.h>
-
-#include <lttng/ust-abi.h>
-
-#define LTTNG_UST_PROCNAME_SUFFIX "-ust"
-
-
-#if defined(HAVE_PTHREAD_SETNAME_NP_WITH_TID)
-static inline
-int lttng_pthread_setname_np(const char *name)
-{
-       /*
-        * Some implementations don't error out, replicate this behavior for
-        * consistency.
-        */
-       if (strnlen(name, LTTNG_UST_ABI_PROCNAME_LEN) >= LTTNG_UST_ABI_PROCNAME_LEN) {
-               return ERANGE;
-       }
-
-       return pthread_setname_np(pthread_self(), name);
-}
-
-static inline
-int lttng_pthread_getname_np(char *name, size_t len)
-{
-       return pthread_getname_np(pthread_self(), name, len);
-}
-#elif defined(HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID)
-static inline
-int lttng_pthread_setname_np(const char *name)
-{
-       return pthread_setname_np(name);
-}
-
-static inline
-int lttng_pthread_getname_np(char *name, size_t len)
-{
-       return pthread_getname_np(name, len);
-}
-#elif defined(HAVE_PTHREAD_SET_NAME_NP_WITH_TID)
-
-#include <pthread_np.h>
-static inline
-int lttng_pthread_setname_np(const char *name)
-{
-       /* Replicate pthread_setname_np's behavior */
-       if (strnlen(name, LTTNG_UST_ABI_PROCNAME_LEN) >= LTTNG_UST_ABI_PROCNAME_LEN) {
-               return ERANGE;
-       }
-
-       pthread_set_name_np(pthread_self(), name);
-       return 0;
-}
-
-static inline
-int lttng_pthread_getname_np(char *name, size_t len)
-{
-       pthread_get_name_np(pthread_self(), name, len);
-       return 0;
-}
-#elif defined(__linux__)
-
-/* Fallback on prtctl on Linux */
-#include <sys/prctl.h>
-
-static inline
-int lttng_pthread_setname_np(const char *name)
-{
-       /* Replicate pthread_setname_np's behavior */
-       if (strnlen(name, LTTNG_UST_ABI_PROCNAME_LEN) >= LTTNG_UST_ABI_PROCNAME_LEN) {
-               return ERANGE;
-       }
-       return prctl(PR_SET_NAME, name, 0, 0, 0);
-}
-
-static inline
-int lttng_pthread_getname_np(char *name, size_t len)
-{
-       return prctl(PR_GET_NAME, name, 0, 0, 0);
-}
-
-#else
-#error "Please add pthread name support for your OS."
-#endif
-
-/*
- * If a pthread setname/set_name function is available, declare
- * the setustprocname() function that will add '-ust' to the end
- * of the current process name, while truncating it if needed.
- */
-static inline
-int lttng_ust_setustprocname(void)
-{
-       int ret = 0, len;
-       char name[LTTNG_UST_ABI_PROCNAME_LEN];
-       int limit = LTTNG_UST_ABI_PROCNAME_LEN - strlen(LTTNG_UST_PROCNAME_SUFFIX) - 1;
-
-       /*
-        * Get the current thread name.
-        */
-       ret = lttng_pthread_getname_np(name, LTTNG_UST_ABI_PROCNAME_LEN);
-       if (ret) {
-               goto error;
-       }
-
-       len = strlen(name);
-       if (len > limit) {
-               len = limit;
-       }
-
-       ret = sprintf(name + len, LTTNG_UST_PROCNAME_SUFFIX);
-       if (ret != strlen(LTTNG_UST_PROCNAME_SUFFIX)) {
-               goto error;
-       }
-
-       ret = lttng_pthread_setname_np(name);
-
-error:
-       return ret;
-}
-
-#include <errno.h>
-
-#ifndef ENODATA
-#define ENODATA        ENOMSG
-#endif
-
-#endif /* _UST_COMPAT_H */