1 | #include <cassert> |
2 | #include <cstdint> |
3 | #include <iostream> |
4 | #include <string> |
5 | |
6 | extern "C" { |
7 | struct ident_t; |
8 | |
9 | using kmp_int32 = int32_t; |
10 | using kmp_int64 = int64_t; |
11 | using kmp_routine_entry_t = kmp_int32 (*)(kmp_int32, void *); |
12 | using kmp_intptr_t = intptr_t; |
13 | |
14 | typedef struct kmp_depend_info { |
15 | kmp_intptr_t base_addr; |
16 | size_t len; |
17 | union { |
18 | unsigned char flag; |
19 | struct { |
20 | #if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) |
21 | unsigned all : 1; |
22 | unsigned unused : 3; |
23 | unsigned set : 1; |
24 | unsigned mtx : 1; |
25 | unsigned out : 1; |
26 | unsigned in : 1; |
27 | #else |
28 | unsigned in : 1; |
29 | unsigned out : 1; |
30 | unsigned mtx : 1; |
31 | unsigned set : 1; |
32 | unsigned unused : 3; |
33 | unsigned all : 1; |
34 | #endif |
35 | } flags; |
36 | }; |
37 | } kmp_depend_info_t; |
38 | |
39 | typedef union kmp_cmplrdata { |
40 | kmp_int32 priority; |
41 | kmp_routine_entry_t destructors; |
42 | } kmp_cmplrdata_t; |
43 | |
44 | typedef struct kmp_task { |
45 | void *shareds; |
46 | kmp_routine_entry_t routine; |
47 | kmp_int32 part_id; |
48 | kmp_cmplrdata_t data1; |
49 | kmp_cmplrdata_t data2; |
50 | } kmp_task_t; |
51 | |
52 | int32_t __kmpc_global_thread_num(void *); |
53 | kmp_task_t *__kmpc_omp_task_alloc(ident_t *, kmp_int32, kmp_int32, size_t, |
54 | size_t, kmp_routine_entry_t); |
55 | kmp_task_t *__kmpc_omp_target_task_alloc(ident_t *, kmp_int32, kmp_int32, |
56 | size_t, size_t, kmp_routine_entry_t, |
57 | kmp_int64); |
58 | kmp_int32 __kmpc_omp_taskwait(ident_t *, kmp_int32); |
59 | kmp_int32 __kmpc_omp_task(ident_t *, kmp_int32, kmp_task_t *); |
60 | kmp_int32 __kmpc_omp_task_with_deps(ident_t *loc_ref, kmp_int32 gtid, |
61 | kmp_task_t *new_task, kmp_int32 ndeps, |
62 | kmp_depend_info_t *dep_list, |
63 | kmp_int32 ndeps_noalias, |
64 | kmp_depend_info_t *noalias_dep_list); |
65 | void __kmpc_taskgroup(ident_t *, kmp_int32); |
66 | void __kmpc_end_taskgroup(ident_t *, kmp_int32); |
67 | } |
68 | |
69 | static kmp_int32 get_num_hidden_helper_threads() { |
70 | static kmp_int32 __kmp_hidden_helper_threads_num = 8; |
71 | if (const char *env = std::getenv(name: "LIBOMP_NUM_HIDDEN_HELPER_THREADS" )) { |
72 | return std::stoi(str: env); |
73 | } |
74 | return __kmp_hidden_helper_threads_num; |
75 | } |
76 | |