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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.
58 lines
2.6 KiB
C
58 lines
2.6 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMESPEC_H_
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#define COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMESPEC_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct timespec {
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int64_t tv_sec;
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int64_t tv_nsec; /* nanoseconds */
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};
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int clock_getres(int, struct timespec *) libcesque;
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int clock_gettime(int, struct timespec *) libcesque;
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int clock_settime(int, const struct timespec *) libcesque;
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int clock_nanosleep(int, int, const struct timespec *, struct timespec *);
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int futimens(int, const struct timespec[2]) libcesque;
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int nanosleep(const struct timespec *, struct timespec *) libcesque;
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int utimensat(int, const char *, const struct timespec[2], int) libcesque;
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int timespec_getres(struct timespec *, int) libcesque;
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int timespec_get(struct timespec *, int) libcesque;
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#ifdef _COSMO_SOURCE
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/* cosmopolitan libc's non-posix timespec library
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removed by default due to emacs codebase clash */
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#define timespec_zero ((struct timespec){0})
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#define timespec_max ((struct timespec){0x7fffffffffffffff, 999999999})
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libcesque int timespec_cmp(struct timespec, struct timespec) pureconst;
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libcesque int64_t timespec_tomicros(struct timespec) pureconst;
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libcesque int64_t timespec_tomillis(struct timespec) pureconst;
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libcesque int64_t timespec_tonanos(struct timespec) pureconst;
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libcesque struct timespec timespec_add(struct timespec,
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struct timespec) pureconst;
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libcesque struct timespec timespec_fromnanos(int64_t) pureconst;
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libcesque struct timespec timespec_frommicros(int64_t) pureconst;
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libcesque struct timespec timespec_frommillis(int64_t) pureconst;
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libcesque struct timespec timespec_real(void) libcesque;
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libcesque struct timespec timespec_mono(void) libcesque;
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libcesque struct timespec timespec_sleep(struct timespec) libcesque;
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libcesque int timespec_sleep_until(struct timespec) libcesque;
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libcesque struct timespec timespec_sub(struct timespec,
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struct timespec) pureconst;
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libcesque struct timespec timespec_subz(struct timespec,
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struct timespec) pureconst;
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int sys_futex(int *, int, int, const struct timespec *, int *);
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static inline struct timespec timespec_fromseconds(int64_t __x) {
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return (struct timespec){__x};
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}
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static inline int timespec_iszero(struct timespec __ts) {
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return !(__ts.tv_sec | __ts.tv_nsec);
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}
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static inline int timespec_isvalid(struct timespec __ts) {
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return __ts.tv_sec >= 0 && __ts.tv_nsec + 0ull < 1000000000ull;
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}
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#endif /* _COSMO_SOURCE */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMESPEC_H_ */
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