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implement emutls inside compiler_rt.zig #7577

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Merged
andrewrk merged 2 commits into from
Jan 13, 2021
Merged

implement emutls inside compiler_rt.zig #7577

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ebf2a7e
add pthread_key functions
semarie Jan 12, 2021
d7aa7db
implement emutls in compiler_rt
semarie Jan 12, 2021
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4 changes: 4 additions & 0 deletions lib/std/c.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -271,6 +271,10 @@ pub extern "c" fn pthread_atfork(
parent: ?fn () callconv(.C) void,
child: ?fn () callconv(.C) void,
) c_int;
pub extern "c" fn pthread_key_create(key: *pthread_key_t, destructor: ?fn (value: *c_void) callconv(.C) void) c_int;
pub extern "c" fn pthread_key_delete(key: pthread_key_t) c_int;
pub extern "c" fn pthread_getspecific(key: pthread_key_t) ?*c_void;
pub extern "c" fn pthread_setspecific(key: pthread_key_t, value: ?*c_void) c_int;
pub extern "c" fn sem_init(sem: *sem_t, pshared: c_int, value: c_uint) c_int;
pub extern "c" fn sem_destroy(sem: *sem_t) c_int;
pub extern "c" fn sem_post(sem: *sem_t) c_int;
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1 change: 1 addition & 0 deletions lib/std/c/openbsd.zig
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Expand Up @@ -33,6 +33,7 @@ pub const pthread_spinlock_t = extern struct {
pub const pthread_attr_t = extern struct {
inner: ?*c_void = null,
};
pub const pthread_key_t = c_int;

pub const sem_t = ?*opaque {};

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4 changes: 4 additions & 0 deletions lib/std/special/compiler_rt.zig
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Expand Up @@ -167,6 +167,10 @@ comptime {

@export(@import("compiler_rt/clzsi2.zig").__clzsi2, .{ .name = "__clzsi2", .linkage = linkage });

if (builtin.link_libc and builtin.os.tag == .openbsd) {
@export(@import("compiler_rt/emutls.zig").__emutls_get_address, .{ .name = "__emutls_get_address", .linkage = linkage });
}

if ((builtin.arch.isARM() or builtin.arch.isThumb()) and !is_test) {
@export(@import("compiler_rt/arm.zig").__aeabi_unwind_cpp_pr0, .{ .name = "__aeabi_unwind_cpp_pr0", .linkage = linkage });
@export(@import("compiler_rt/arm.zig").__aeabi_unwind_cpp_pr1, .{ .name = "__aeabi_unwind_cpp_pr1", .linkage = linkage });
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