diff options
Diffstat (limited to '3rdparty/plibsys/cmake/ThreadNameDetect.cmake')
| -rw-r--r-- | 3rdparty/plibsys/cmake/ThreadNameDetect.cmake | 135 |
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) |