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| author | Iain Buclaw <ibuclaw@gdcproject.org> | 2020-10-23 16:48:25 +0200 |
|---|---|---|
| committer | Iain Buclaw <ibuclaw@gdcproject.org> | 2020-10-27 11:50:35 +0100 |
| commit | d249ba878cc0c300cb8c39988a57fa4ca93f9088 (patch) | |
| tree | afb898249ecbc7fd11a420ae4e5816926ae1e076 /libphobos | |
| parent | e419ede8915eeb879de3d9c026cd4213aaceb86a (diff) | |
| download | gcc-d249ba878cc0c300cb8c39988a57fa4ca93f9088.tar.gz | |
d: Remove the d_critsec_size target hook.
The allocation of mutex objects for synchronized statements has been
moved to the library as of merging druntime 58560d51. All support code
in the compiler for getting the OS critical section size has been
removed along with it.
Reviewed-on: https://github.com/dlang/dmd/pull/11902
https://github.com/dlang/druntime/pull/3248
gcc/ChangeLog:
* config/aarch64/aarch64-linux.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
Remove.
* config/glibc-d.c (glibc_d_critsec_size): Likewise.
(TARGET_D_CRITSEC_SIZE): Likewise.
* config/i386/linux-common.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
Likewise.
* config/sol2-d.c (solaris_d_critsec_size): Likewise.
(TARGET_D_CRITSEC_SIZE): Likewise.
* doc/tm.texi.in (TARGET_D_CRITSEC_SIZE): Likewise.
* doc/tm.texi: Regenerate.
gcc/d/ChangeLog:
* dmd/MERGE: Merge upstream dmd bec5973b0.
* d-target.cc (Target::critsecsize): Remove.
* d-target.def: Remove d_critsec_size.
libphobos/ChangeLog:
* libdruntime/MERGE: Merge upstream druntime 58560d51.
Diffstat (limited to 'libphobos')
| -rw-r--r-- | libphobos/libdruntime/MERGE | 2 | ||||
| -rw-r--r-- | libphobos/libdruntime/rt/critical_.d | 18 |
2 files changed, 19 insertions, 1 deletions
diff --git a/libphobos/libdruntime/MERGE b/libphobos/libdruntime/MERGE index bcde10514ec..485f8e999d6 100644 --- a/libphobos/libdruntime/MERGE +++ b/libphobos/libdruntime/MERGE @@ -1,4 +1,4 @@ -d05ebaad15fbffce6d707c138c84d7b60fcf5ffd +58560d5163381b0f1c893bd0d035b7a0a1631f92 The first line of this file holds the git revision number of the last merge done from the dlang/druntime repository. diff --git a/libphobos/libdruntime/rt/critical_.d b/libphobos/libdruntime/rt/critical_.d index c2ef8220901..40030ad35b8 100644 --- a/libphobos/libdruntime/rt/critical_.d +++ b/libphobos/libdruntime/rt/critical_.d @@ -31,12 +31,30 @@ extern (C) void _d_critical_term() extern (C) void _d_criticalenter(D_CRITICAL_SECTION* cs) { + assert(cs !is null); ensureMutex(cast(shared(D_CRITICAL_SECTION*)) cs); lockMutex(&cs.mtx); } +extern (C) void _d_criticalenter2(D_CRITICAL_SECTION** pcs) +{ + if (atomicLoad!(MemoryOrder.acq)(*cast(shared) pcs) is null) + { + lockMutex(cast(Mutex*)&gcs.mtx); + if (atomicLoad!(MemoryOrder.raw)(*cast(shared) pcs) is null) + { + auto cs = new shared D_CRITICAL_SECTION; + initMutex(cast(Mutex*)&cs.mtx); + atomicStore!(MemoryOrder.rel)(*cast(shared) pcs, cs); + } + unlockMutex(cast(Mutex*)&gcs.mtx); + } + lockMutex(&(*pcs).mtx); +} + extern (C) void _d_criticalexit(D_CRITICAL_SECTION* cs) { + assert(cs !is null); unlockMutex(&cs.mtx); } |