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plibsys/cmake/ThreadNameDetect.cmake at master · sigdev2/plibsys · GitHub
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#
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
)
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