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std: add os_log/signpost api (sort of linux's perf event equivalent)

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subset.
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David CARLIER 2023-04-05 13:13:30 +01:00 committed by Veikka Tuominen
parent d92b5fcfb0
commit 3e467c778a
1 changed files with 32 additions and 0 deletions
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32
lib/std/c/darwin.zig
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@ -3814,3 +3814,35 @@ pub fn machTaskForPid(pid: std.os.pid_t) MachError!MachTask {
pub fn machTaskForSelf() MachTask {
return .{ .port = mach_task_self() };
}
pub const os_signpost_id_t = u64;
pub const OS_SIGNPOST_ID_NULL: os_signpost_id_t = 0;
pub const OS_SIGNPOST_ID_INVALID: os_signpost_id_t = !0;
pub const OS_SIGNPOST_ID_EXCLUSIVE: os_signpost_id_t = 0xeeeeb0b5b2b2eeee;
pub const os_log_t = opaque {};
pub const os_log_type_t = enum(u8) {
/// default messages always captures
OS_LOG_TYPE_DEFAULT = 0x00,
/// messages with additional infos
OS_LOG_TYPE_INFO = 0x01,
/// debug messages
OS_LOG_TYPE_DEBUG = 0x02,
/// error messages
OS_LOG_TYPE_ERROR = 0x10,
/// unexpected conditions messages
OS_LOG_TYPE_FAULT = 0x11,
};
pub const OS_LOG_CATEGORY_POINTS_OF_INTEREST: *const u8 = "PointsOfInterest";
pub const OS_LOG_CATEGORY_DYNAMIC_TRACING: *const u8 = "DynamicTracing";
pub const OS_LOG_CATEGORY_DYNAMIC_STACK_TRACING: *const u8 = "DynamicStackTracing";
pub extern "c" fn os_log_create(subsystem: [*]const u8, category: [*]const u8) os_log_t;
pub extern "c" fn os_log_type_enabled(log: os_log_t, tpe: os_log_type_t) bool;
pub extern "c" fn os_signpost_id_generate(log: os_log_t) os_signpost_id_t;
pub extern "c" fn os_signpost_interval_begin(log: os_log_t, signpos: os_signpost_id_t, func: [*]const u8, ...) void;
pub extern "c" fn os_signpost_interval_end(log: os_log_t, signpos: os_signpost_id_t, func: [*]const u8, ...) void;
pub extern "c" fn os_signpost_id_make_with_pointer(log: os_log_t, ptr: ?*anyopaque) os_signpost_id_t;
pub extern "c" fn os_signpost_enabled(log: os_log_t) bool;