FreeBSD Manual Pages
ck_pr_fas(3) BSD Library Functions Manual ck_pr_fas(3) NAME ck_pr_fas_ptr, ck_pr_fas_double, ck_pr_fas_char, ck_pr_fas_uint, ck_pr_fas_int, ck_pr_fas_64, ck_pr_fas_32, ck_pr_fas_16, ck_pr_fas_8 -- atomic swap operations LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS #include <ck_pr.h> void * ck_pr_fas_ptr(void *target, void *new_value); double ck_pr_fas_double(double *target, double new_value); char ck_pr_fas_char(char *target, char new_value); unsigned int ck_pr_fas_uint(unsigned int *target, unsigned int new_value); int ck_pr_fas_int(int *target, int new_value); uint64_t ck_pr_fas_64(uint64_t *target, uint64_t new_value); uint32_t ck_pr_fas_32(uint32_t *target, uint32_t new_value); uint16_t ck_pr_fas_16(uint16_t *target, uint16_t new_value); uint8_t ck_pr_fas_8(uint8_t *target, uint8_t new_value); DESCRIPTION The ck_pr_fas(3) family of functions atomically fetch the value pointed to by target and replace the value pointed to by target with the value specified by new_value. RETURN VALUES This function returns the value pointed to by target at the time of oper- ation invocation before it was atomically replaced with new_value. SEE ALSO ck_pr_fence_load(3), ck_pr_fence_load_depends(3), ck_pr_fence_store(3), ck_pr_fence_memory(3), ck_pr_load(3), ck_pr_store(3), ck_pr_faa(3), ck_pr_inc(3), ck_pr_dec(3), ck_pr_neg(3), ck_pr_not(3), ck_pr_add(3), ck_pr_sub(3), ck_pr_and(3), ck_pr_or(3), ck_pr_xor(3), ck_pr_cas(3), ck_pr_btc(3), ck_pr_bts(3), ck_pr_btr(3) Additional information available at http://concurrencykit.org/ April 7, 2013
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO
Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=ck_pr_fas&sektion=3&manpath=FreeBSD+13.0-RELEASE+and+Ports>