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authorsanine <sanine.not@pm.me>2022-08-27 23:52:56 -0500
committersanine <sanine.not@pm.me>2022-08-27 23:52:56 -0500
commita4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch)
tree13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /3rdparty/plibsys/cmake/ThreadNameDetect.cmake
parentbde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff)
add plibsys
Diffstat (limited to '3rdparty/plibsys/cmake/ThreadNameDetect.cmake')
-rw-r--r--3rdparty/plibsys/cmake/ThreadNameDetect.cmake135
1 files changed, 135 insertions, 0 deletions
diff --git a/3rdparty/plibsys/cmake/ThreadNameDetect.cmake b/3rdparty/plibsys/cmake/ThreadNameDetect.cmake
new file mode 100644
index 0000000..c850d82
--- /dev/null
+++ b/3rdparty/plibsys/cmake/ThreadNameDetect.cmake
@@ -0,0 +1,135 @@
+# The MIT License
+#
+# Copyright (C) 2019 Alexander Saprykin <saprykin.spb@gmail.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# 'Software'), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+function (plibsys_detect_thread_name has_pthread_np_h result)
+ set (PTHREAD_HEADERS "#include <pthread.h>")
+
+ if (${has_pthread_np_h})
+ set (PTHREAD_HEADERS "${PTHREAD_HEADERS}\n#include<pthread_np.h>")
+ endif()
+
+ # Check pthread_setname_np() with 1 arg
+
+ if (NOT PLIBSYS_THREAD_SETTER)
+ check_c_source_compiles ("
+ ${PTHREAD_HEADERS}
+
+ int main () {
+ pthread_setname_np (\"thread_name\");
+ return 0;
+ }"
+ PLIBSYS_HAS_POSIX_SETNAME_NP_1
+ )
+
+ if (PLIBSYS_HAS_POSIX_SETNAME_NP_1)
+ set (PLIBSYS_THREAD_SETTER "pthread_setname_np")
+ endif()
+ endif()
+
+ # Check pthread_setname_np() with 2 args
+
+ if (NOT PLIBSYS_THREAD_SETTER)
+ check_c_source_compiles ("
+ ${PTHREAD_HEADERS}
+
+ int main () {
+ pthread_setname_np ((pthread_t) 0, \"thread_name\");
+ return 0;
+ }"
+ PLIBSYS_HAS_POSIX_SETNAME_NP_2
+ )
+
+ if (PLIBSYS_HAS_POSIX_SETNAME_NP_2)
+ set (PLIBSYS_THREAD_SETTER "pthread_setname_np")
+ endif()
+ endif()
+
+ # Check pthread_setname_np() with 3 args
+
+ if (NOT PLIBSYS_THREAD_SETTER)
+ check_c_source_compiles ("
+ ${PTHREAD_HEADERS}
+
+ int main () {
+ pthread_setname_np ((pthread_t) 0, \"thread_name\", 0);
+ return 0;
+ }"
+ PLIBSYS_HAS_POSIX_SETNAME_NP_3
+ )
+
+ if (PLIBSYS_HAS_POSIX_SETNAME_NP_3)
+ set (PLIBSYS_THREAD_SETTER "pthread_setname_np")
+ endif()
+ endif()
+
+ # Check pthread_set_name_np()
+
+ if (NOT PLIBSYS_THREAD_SETTER)
+ check_c_source_compiles ("
+ ${PTHREAD_HEADERS}
+
+ int main () {
+ pthread_set_name_np ((pthread_t) 0, \"thread_name\");
+ return 0;
+ }"
+ PLIBSYS_HAS_POSIX_SET_NAME_NP
+ )
+
+ if (PLIBSYS_HAS_POSIX_SET_NAME_NP)
+ set (PLIBSYS_THREAD_SETTER "pthread_set_name_np")
+ endif()
+ endif()
+
+ # The last try is prctl()
+
+ if (NOT PLIBSYS_THREAD_SETTER)
+ check_c_source_compiles ("
+ #include <sys/prctl.h>
+ #include <linux/prctl.h>
+
+ int main () {
+ prctl (PR_SET_NAME, \"thread_name\", NULL, NULL, NULL);
+ return 0;
+ }"
+ PLIBSYS_PRCTL
+ )
+
+ if (PLIBSYS_PRCTL)
+ set (PLIBSYS_THREAD_SETTER "prctl")
+ endif()
+ endif()
+
+ # It seems that CMake (old versions like 2.8.x - 2.10.x) has a bug,
+ # such that when passing empty values to the parent scope, these variable
+ # are not treated as empty, thereby use NONE value instead
+
+ if (PLIBSYS_THREAD_SETTER STREQUAL "pthread_setname_np")
+ set (${result} "PLIBSYS_HAS_PTHREAD_SETNAME" PARENT_SCOPE)
+ elseif (PLIBSYS_THREAD_SETTER STREQUAL "pthread_set_name_np")
+ set (${result} "PLIBSYS_HAS_PTHREAD_SET_NAME" PARENT_SCOPE)
+ elseif (PLIBSYS_THREAD_SETTER STREQUAL "prctl")
+ set (${result} "PLIBSYS_HAS_PTHREAD_PRCTL" PARENT_SCOPE)
+ else()
+ set (${result} "NONE" PARENT_SCOPE)
+ endif()
+endfunction (plibsys_detect_thread_name)