ck_pr_neg_ptr, ck_pr_neg_ptr_zero, ck_pr_neg_double, ck_pr_neg_double_zero, ck_pr_neg_char,
Contents
Description
The ck_pr_neg(3) family of functions atomically negate the value pointed to by target.
Library
Concurrency Kit (libck, -lck)
Name
ck_pr_neg_ptr, ck_pr_neg_ptr_zero, ck_pr_neg_double, ck_pr_neg_double_zero, ck_pr_neg_char,
ck_pr_neg_char_zero, ck_pr_neg_uint, ck_pr_neg_uint_zero, ck_pr_neg_int, ck_pr_neg_int_zero,
ck_pr_neg_64, ck_pr_neg_64_zero, ck_pr_neg_32, ck_pr_neg_32_zero, ck_pr_neg_16, ck_pr_neg_16_zero,
ck_pr_neg_8, ck_pr_neg_8_zero — atomic negation operations
Return Values
The ck_pr_neg_zero functions set the value pointed to by z if the result of the negation operation was 0.
They set the pointed to value to false otherwise.
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_fas(3), ck_pr_faa(3), ck_pr_inc(3), ck_pr_dec(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 ck_pr_neg(3)
Synopsis
#include<ck_pr.h>voidck_pr_neg_ptr(void*target);
voidck_pr_neg_ptr_zero(void*target, bool*z);
voidck_pr_neg_double(double*target);
voidck_pr_neg_double_zero(double*target, bool*z);
voidck_pr_neg_char(char*target);
voidck_pr_neg_char_zero(char*target, bool*z);
voidck_pr_neg_uint(unsignedint*target);
voidck_pr_neg_uint_zero(unsignedint*target, bool*z);
voidck_pr_neg_int(int*target);
voidck_pr_neg_int_zero(int*target, bool*z);
voidck_pr_neg_64(uint64_t*target);
voidck_pr_neg_64_zero(uint64_t*target, bool*z);
voidck_pr_neg_32(uint32_t*target);
voidck_pr_neg_32_zero(uint32_t*target, bool*z);
voidck_pr_neg_16(uint16_t*target);
voidck_pr_neg_16_zero(uint16_t*target, bool*z);
voidck_pr_neg_8(uint8_t*target);
voidck_pr_neg_8_zero(uint8_t*target, bool*z);
