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| author | Clyybber <darkmine956@gmail.com> | 2021-03-30 08:05:37 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-30 08:05:37 +0200 |
| commit | a672ec3c9e25159d3482aebfe1d0bb4271910869 (patch) | |
| tree | ce4ecc81c86506d13d21f35fcf4af88bf59ecd25 /lib/system | |
| parent | 8db93fd0a29dbb950cc14327b31d683c3b0d8926 (diff) | |
| download | Nim-a672ec3c9e25159d3482aebfe1d0bb4271910869.tar.gz | |
Fix #17299, fix setAffinity for android (#17574)
* Fix #17299 * Comment * Fix typo
Diffstat (limited to 'lib/system')
| -rw-r--r-- | lib/system/threadlocalstorage.nim | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/lib/system/threadlocalstorage.nim b/lib/system/threadlocalstorage.nim index 922150fff..cbb74c7df 100644 --- a/lib/system/threadlocalstorage.nim +++ b/lib/system/threadlocalstorage.nim @@ -194,8 +194,23 @@ else: proc cpusetIncl(cpu: cint; s: var CpuSet) {. importc: "CPU_SET", header: schedh.} - proc setAffinity(thread: SysThread; setsize: csize_t; s: var CpuSet) {. - importc: "pthread_setaffinity_np", header: pthreadh.} + when defined(android): + # libc of android doesn't implement pthread_setaffinity_np, + # it exposes pthread_gettid_np though, so we can use that in combination + # with sched_setaffinity to set the thread affinity. + type Pid {.importc: "pid_t", header: "<sys/types.h>".} = int32 # From posix_other.nim + + proc setAffinityTID(tid: Pid; setsize: csize_t; s: var CpuSet) {. + importc: "sched_setaffinity", header: schedh.} + + proc pthread_gettid_np(thread: SysThread): Pid {. + importc: "pthread_gettid_np", header: pthreadh.} + + proc setAffinity(thread: SysThread; setsize: csize_t; s: var CpuSet) = + setAffinityTID(pthread_gettid_np(thread), setsize, s) + else: + proc setAffinity(thread: SysThread; setsize: csize_t; s: var CpuSet) {. + importc: "pthread_setaffinity_np", header: pthreadh.} const |