1ck_pr_sub(3)             BSD Library Functions Manual             ck_pr_sub(3)
2

NAME

4     ck_pr_sub_ptr, ck_pr_sub_double, ck_pr_sub_char, ck_pr_sub_uint,
5     ck_pr_sub_int, ck_pr_sub_64, ck_pr_sub_32, ck_pr_sub_16, ck_pr_sub_8 —
6     atomic subtraction operations
7

LIBRARY

9     Concurrency Kit (libck, -lck)
10

SYNOPSIS

12     #include <ck_pr.h>
13
14     void
15     ck_pr_sub_ptr(void *target, uintptr_t delta);
16
17     void
18     ck_pr_sub_double(double *target, double delta);
19
20     void
21     ck_pr_sub_char(char *target, char delta);
22
23     void
24     ck_pr_sub_uint(unsigned int *target, unsigned int delta);
25
26     void
27     ck_pr_sub_int(int *target, int delta);
28
29     void
30     ck_pr_sub_64(uint64_t *target, uint64_t delta);
31
32     void
33     ck_pr_sub_32(uint32_t *target, uint32_t delta);
34
35     void
36     ck_pr_sub_16(uint16_t *target, uint16_t delta);
37
38     void
39     ck_pr_sub_8(uint8_t *target, uint8_t delta);
40

DESCRIPTION

42     The ck_pr_sub(3) family of functions atomically subtract the value speci‐
43     fied by delta from the value pointed to by target.
44

RETURN VALUES

46     This family of functions does not have a return value.
47

SEE ALSO

49     ck_pr_fence_load(3), ck_pr_fence_load_depends(3), ck_pr_fence_store(3),
50     ck_pr_fence_memory(3), ck_pr_load(3), ck_pr_store(3), ck_pr_fas(3),
51     ck_pr_faa(3), ck_pr_inc(3), ck_pr_dec(3), ck_pr_neg(3), ck_pr_not(3),
52     ck_pr_add(3), ck_pr_and(3), ck_pr_or(3), ck_pr_xor(3), ck_pr_cas(3),
53     ck_pr_btc(3), ck_pr_bts(3), ck_pr_btr(3)
54
55     Additional information available at http://concurrencykit.org/
56
57                                April 11, 2013
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