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eeb20775d2
This will help C++ code that uses exceptions to be tinier. For example, this change shaves away 1000 lines of assembly code from LLVM's libcxx, which is 0.7% of all assembly instructions in the entire library.
26 lines
907 B
C
26 lines
907 B
C
#ifndef COSMOPOLITAN_ULOCK_H_
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#define COSMOPOLITAN_ULOCK_H_
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COSMOPOLITAN_C_START_
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/* both wake and wait take one of these */
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#define UL_COMPARE_AND_WAIT 1 /* multi-thread */
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#define UL_UNFAIR_LOCK 2
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#define UL_COMPARE_AND_WAIT_SHARED 3 /* multi-thread/process */
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#define UL_UNFAIR_LOCK64_SHARED 4
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#define UL_COMPARE_AND_WAIT64 5
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#define UL_COMPARE_AND_WAIT64_SHARED 6
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#define ULF_WAKE_ALL 0x00000100
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#define ULF_WAKE_THREAD 0x00000200 /* takes wake_value */
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#define ULF_WAKE_ALLOW_NON_OWNER 0x00000400
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#define ULF_WAIT_WORKQ_DATA_CONTENTION 0x00010000
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#define ULF_WAIT_CANCEL_POINT 0x00020000 /* raises eintr */
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#define ULF_WAIT_ADAPTIVE_SPIN 0x00040000
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int ulock_wake(uint32_t, void *, uint64_t) libcesque;
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int ulock_wait(uint32_t, void *, uint64_t, uint32_t) libcesque;
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_ULOCK_H_ */
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