mirror of
https://github.com/pikvm/ustreamer.git
synced 2026-07-25 21:22:11 +00:00
using us_ prefixes
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@@ -53,37 +53,37 @@
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#define INLINE inline __attribute__((always_inline))
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#define UNUSED __attribute__((unused))
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#define A_CALLOC(_dest, _nmemb) assert((_dest = calloc(_nmemb, sizeof(*(_dest)))))
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#define A_REALLOC(_dest, _nmemb) assert((_dest = realloc(_dest, _nmemb * sizeof(*(_dest)))))
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#define DELETE(_dest, _free) { if (_dest) { _free(_dest); } }
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#define MEMSET_ZERO(_obj) memset(&(_obj), 0, sizeof(_obj))
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#define US_CALLOC(x_dest, x_nmemb) assert(((x_dest) = calloc((x_nmemb), sizeof(*(x_dest)))))
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#define US_REALLOC(x_dest, x_nmemb) assert(((x_dest) = realloc((x_dest), (x_nmemb) * sizeof(*(x_dest)))))
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#define US_DELETE(x_dest, x_free) { if (x_dest) { x_free(x_dest); } }
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#define US_MEMSET_ZERO(x_obj) memset(&(x_obj), 0, sizeof(x_obj))
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#define A_ASPRINTF(_dest, _fmt, ...) assert(asprintf(&(_dest), _fmt, ##__VA_ARGS__) >= 0)
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#define US_ASPRINTF(x_dest, x_fmt, ...) assert(asprintf(&(x_dest), (x_fmt), ##__VA_ARGS__) >= 0)
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#define ARRAY_LEN(_array) (sizeof(_array) / sizeof(_array[0]))
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#define US_ARRAY_LEN(x_array) (sizeof(x_array) / sizeof((x_array)[0]))
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INLINE const char *bool_to_string(bool flag) {
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INLINE const char *us_bool_to_string(bool flag) {
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return (flag ? "true" : "false");
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}
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INLINE size_t align_size(size_t size, size_t to) {
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INLINE size_t us_align_size(size_t size, size_t to) {
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return ((size + (to - 1)) & ~(to - 1));
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}
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INLINE unsigned min_u(unsigned a, unsigned b) {
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INLINE unsigned us_min_u(unsigned a, unsigned b) {
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return (a < b ? a : b);
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}
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INLINE unsigned max_u(unsigned a, unsigned b) {
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INLINE unsigned us_max_u(unsigned a, unsigned b) {
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return (a > b ? a : b);
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}
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INLINE long long floor_ms(long double now) {
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INLINE long long us_floor_ms(long double now) {
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return (long long)now - (now < (long long)now); // floor()
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}
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INLINE uint32_t triple_u32(uint32_t x) {
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INLINE uint32_t us_triple_u32(uint32_t x) {
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// https://nullprogram.com/blog/2018/07/31/
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x ^= x >> 17;
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x *= UINT32_C(0xED5AD4BB);
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@@ -95,7 +95,7 @@ INLINE uint32_t triple_u32(uint32_t x) {
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return x;
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}
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INLINE void get_now(clockid_t clk_id, time_t *sec, long *msec) {
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INLINE void us_get_now(clockid_t clk_id, time_t *sec, long *msec) {
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struct timespec ts;
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assert(!clock_gettime(clk_id, &ts));
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*sec = ts.tv_sec;
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@@ -108,47 +108,47 @@ INLINE void get_now(clockid_t clk_id, time_t *sec, long *msec) {
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}
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#if defined(CLOCK_MONOTONIC_RAW)
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# define X_CLOCK_MONOTONIC CLOCK_MONOTONIC_RAW
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# define _X_CLOCK_MONOTONIC CLOCK_MONOTONIC_RAW
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#elif defined(CLOCK_MONOTONIC_FAST)
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# define X_CLOCK_MONOTONIC CLOCK_MONOTONIC_FAST
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# define _X_CLOCK_MONOTONIC CLOCK_MONOTONIC_FAST
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#else
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# define X_CLOCK_MONOTONIC CLOCK_MONOTONIC
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# define _X_CLOCK_MONOTONIC CLOCK_MONOTONIC
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#endif
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INLINE long double get_now_monotonic(void) {
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INLINE long double us_get_now_monotonic(void) {
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time_t sec;
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long msec;
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get_now(X_CLOCK_MONOTONIC, &sec, &msec);
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us_get_now(_X_CLOCK_MONOTONIC, &sec, &msec);
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return (long double)sec + ((long double)msec) / 1000;
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}
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INLINE uint64_t get_now_monotonic_u64(void) {
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INLINE uint64_t us_get_now_monotonic_u64(void) {
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struct timespec ts;
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assert(!clock_gettime(X_CLOCK_MONOTONIC, &ts));
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assert(!clock_gettime(_X_CLOCK_MONOTONIC, &ts));
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return (uint64_t)(ts.tv_nsec / 1000) + (uint64_t)ts.tv_sec * 1000000;
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}
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#undef X_CLOCK_MONOTONIC
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#undef _X_CLOCK_MONOTONIC
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INLINE uint64_t get_now_id(void) {
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uint64_t now = get_now_monotonic_u64();
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return (uint64_t)triple_u32(now) | ((uint64_t)triple_u32(now + 12345) << 32);
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INLINE uint64_t us_get_now_id(void) {
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uint64_t now = us_get_now_monotonic_u64();
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return (uint64_t)us_triple_u32(now) | ((uint64_t)us_triple_u32(now + 12345) << 32);
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}
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INLINE long double get_now_real(void) {
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INLINE long double us_get_now_real(void) {
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time_t sec;
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long msec;
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get_now(CLOCK_REALTIME, &sec, &msec);
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us_get_now(CLOCK_REALTIME, &sec, &msec);
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return (long double)sec + ((long double)msec) / 1000;
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}
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INLINE unsigned get_cores_available(void) {
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INLINE unsigned us_get_cores_available(void) {
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long cores_sysconf = sysconf(_SC_NPROCESSORS_ONLN);
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cores_sysconf = (cores_sysconf < 0 ? 0 : cores_sysconf);
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return max_u(min_u(cores_sysconf, 4), 1);
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return us_max_u(us_min_u(cores_sysconf, 4), 1);
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}
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INLINE void ld_to_timespec(long double ld, struct timespec *ts) {
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INLINE void us_ld_to_timespec(long double ld, struct timespec *ts) {
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ts->tv_sec = (long)ld;
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ts->tv_nsec = (ld - ts->tv_sec) * 1000000000L;
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if (ts->tv_nsec > 999999999L) {
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@@ -157,17 +157,17 @@ INLINE void ld_to_timespec(long double ld, struct timespec *ts) {
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}
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}
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INLINE long double timespec_to_ld(const struct timespec *ts) {
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INLINE long double us_timespec_to_ld(const struct timespec *ts) {
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return ts->tv_sec + ((long double)ts->tv_nsec) / 1000000000;
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}
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INLINE int flock_timedwait_monotonic(int fd, long double timeout) {
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long double deadline_ts = get_now_monotonic() + timeout;
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INLINE int us_flock_timedwait_monotonic(int fd, long double timeout) {
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long double deadline_ts = us_get_now_monotonic() + timeout;
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int retval = -1;
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while (true) {
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retval = flock(fd, LOCK_EX | LOCK_NB);
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if (retval == 0 || errno != EWOULDBLOCK || get_now_monotonic() > deadline_ts) {
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if (retval == 0 || errno != EWOULDBLOCK || us_get_now_monotonic() > deadline_ts) {
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break;
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}
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if (usleep(1000) < 0) {
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@@ -177,7 +177,7 @@ INLINE int flock_timedwait_monotonic(int fd, long double timeout) {
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return retval;
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}
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INLINE char *errno_to_string(int error, char *buf, size_t size) {
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INLINE char *us_errno_to_string(int error, char *buf, size_t size) {
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assert(buf);
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assert(size > 0);
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locale_t locale = newlocale(LC_MESSAGES_MASK, "C", NULL);
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