mirror of
https://github.com/jart/cosmopolitan.git
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0e2b1bfeed
- You can now use _gc(malloc()) in multithreaded programs - This change fixes a bug where fork() on NT disabled TLS - Fixed TLS code morphing on XNU/NT, for R8-R15 registers
27 lines
1,009 B
C
27 lines
1,009 B
C
#ifndef COSMOPOLITAN_LIBC_RUNTIME_GC_H_
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#define COSMOPOLITAN_LIBC_RUNTIME_GC_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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void *_gc(void *);
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void *_defer(void *, void *);
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void __defer(void *, void *, void *);
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void _gclongjmp(void *, int) dontthrow wontreturn;
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void _gc_free(void *);
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define _gc(THING) _defer((void *)_gc_free, (void *)(THING))
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#define _defer(FN, ARG) \
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({ \
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autotype(ARG) Arg = (ARG); \
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/* prevent weird opts like tail call */ \
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asm volatile("" : "+g"(Arg) : : "memory"); \
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__defer(__builtin_frame_address(0), FN, Arg); \
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asm volatile("" : "+g"(Arg) : : "memory"); \
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Arg; \
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})
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#endif /* defined(__GNUC__) && !defined(__STRICT_ANSI__) */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_RUNTIME_GC_H_ */
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