X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Fsched.h;h=05d40b1e7c7444c2b78fe210ae1e4153de05c5e5;hb=08869deb7efbda6e979886cb67e3d5843f92c2e8;hp=3df4c7bd4491873a2c63b19c0e8de312f7bced51;hpb=6cf8bfdb646efaf76c75a95d1ea0cd254706c037;p=musl diff --git a/include/sched.h b/include/sched.h index 3df4c7bd..05d40b1e 100644 --- a/include/sched.h +++ b/include/sched.h @@ -10,6 +10,10 @@ extern "C" { #define __NEED_pid_t #define __NEED_time_t +#ifdef _GNU_SOURCE +#define __NEED_size_t +#endif + #include struct sched_param { @@ -32,6 +36,10 @@ int sched_yield(void); #define SCHED_OTHER 0 #define SCHED_FIFO 1 #define SCHED_RR 2 +#define SCHED_BATCH 3 +#define SCHED_IDLE 5 +#define SCHED_DEADLINE 6 +#define SCHED_RESET_ON_FORK 0x40000000 #ifdef _GNU_SOURCE #define CSIGNAL 0x000000ff @@ -51,6 +59,7 @@ int sched_yield(void); #define CLONE_DETACHED 0x00400000 #define CLONE_UNTRACED 0x00800000 #define CLONE_CHILD_SETTID 0x01000000 +#define CLONE_NEWCGROUP 0x02000000 #define CLONE_NEWUTS 0x04000000 #define CLONE_NEWIPC 0x08000000 #define CLONE_NEWUSER 0x10000000 @@ -60,6 +69,65 @@ int sched_yield(void); int clone (int (*)(void *), void *, int, void *, ...); int unshare(int); int setns(int, int); + +void *memcpy(void *__restrict, const void *__restrict, size_t); +int memcmp(const void *, const void *, size_t); +void *memset (void *, int, size_t); +void *calloc(size_t, size_t); +void free(void *); + +typedef struct cpu_set_t { unsigned long __bits[128/sizeof(long)]; } cpu_set_t; +int __sched_cpucount(size_t, const cpu_set_t *); +int sched_getcpu(void); +int sched_getaffinity(pid_t, size_t, cpu_set_t *); +int sched_setaffinity(pid_t, size_t, const cpu_set_t *); + +#define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \ + (((unsigned long *)(set))[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) ) + +#define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=) +#define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &=~) +#define CPU_ISSET_S(i, size, set) __CPU_op_S(i, size, set, &) + +#define __CPU_op_func_S(func, op) \ +static __inline void __CPU_##func##_S(size_t __size, cpu_set_t *__dest, \ + const cpu_set_t *__src1, const cpu_set_t *__src2) \ +{ \ + size_t __i; \ + for (__i=0; __i<__size/sizeof(long); __i++) \ + ((unsigned long *)__dest)[__i] = ((unsigned long *)__src1)[__i] \ + op ((unsigned long *)__src2)[__i] ; \ +} + +__CPU_op_func_S(AND, &) +__CPU_op_func_S(OR, |) +__CPU_op_func_S(XOR, ^) + +#define CPU_AND_S(a,b,c,d) __CPU_AND_S(a,b,c,d) +#define CPU_OR_S(a,b,c,d) __CPU_OR_S(a,b,c,d) +#define CPU_XOR_S(a,b,c,d) __CPU_XOR_S(a,b,c,d) + +#define CPU_COUNT_S(size,set) __sched_cpucount(size,set) +#define CPU_ZERO_S(size,set) memset(set,0,size) +#define CPU_EQUAL_S(size,set1,set2) (!memcmp(set1,set2,size)) + +#define CPU_ALLOC_SIZE(n) (sizeof(long) * ( (n)/(8*sizeof(long)) \ + + ((n)%(8*sizeof(long)) + 8*sizeof(long)-1)/(8*sizeof(long)) ) ) +#define CPU_ALLOC(n) ((cpu_set_t *)calloc(1,CPU_ALLOC_SIZE(n))) +#define CPU_FREE(set) free(set) + +#define CPU_SETSIZE 128 + +#define CPU_SET(i, set) CPU_SET_S(i,sizeof(cpu_set_t),set) +#define CPU_CLR(i, set) CPU_CLR_S(i,sizeof(cpu_set_t),set) +#define CPU_ISSET(i, set) CPU_ISSET_S(i,sizeof(cpu_set_t),set) +#define CPU_AND(d,s1,s2) CPU_AND_S(sizeof(cpu_set_t),d,s1,s2) +#define CPU_OR(d,s1,s2) CPU_OR_S(sizeof(cpu_set_t),d,s1,s2) +#define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2) +#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set) +#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set) +#define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2) + #endif #ifdef __cplusplus