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74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
#ifndef MISC_H
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#define MISC_H
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdnoreturn.h>
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#include <sys/types.h>
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#include <pthread.h>
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// utility macros
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#define CONCAT(a, b) _CONCAT(a, b)
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#define _CONCAT(a, b) a##b
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#define CONCAT3(a,b,c) CONCAT(a, CONCAT(b, c))
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#define CONCAT4(a,b,c,d) CONCAT(a, CONCAT3(b, c, d))
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#define STR(x) _STR(x)
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#define _STR(x) #x
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// keywords
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#define bits unsigned int
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#define forceinline inline __attribute__((always_inline))
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#define flatten __attribute__((flatten))
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#ifdef NDEBUG
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#define postulate __builtin_assume
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#else
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#define postulate assert
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#endif
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#define unlikely(x) __builtin_expect((x), 0)
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#define must_check __attribute__((warn_unused_result))
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#if defined(__i386__) || defined(__x86_64__)
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#define debugger __asm__("int3")
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#elif defined(__arm__)
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#define debugger __asm__("trap")
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#endif
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// types
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typedef int64_t sqword_t;
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typedef uint64_t qword_t;
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typedef uint32_t dword_t;
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typedef int32_t sdword_t;
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typedef uint16_t word_t;
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typedef uint8_t byte_t;
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typedef dword_t addr_t;
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typedef dword_t uint_t;
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typedef sdword_t int_t;
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typedef dword_t pid_t_;
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typedef dword_t uid_t_;
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typedef word_t mode_t_;
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#define uint(size) CONCAT3(uint,size,_t)
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#define sint(size) CONCAT3(int,size,_t)
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#define lock_init(thing) pthread_mutex_init(&(thing)->lock, NULL)
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#define lock(thing) pthread_mutex_lock(&(thing)->lock)
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#define unlock(thing) pthread_mutex_unlock(&(thing)->lock)
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#define big_lock(thing) pthread_mutex_lock(&thing##_lock)
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#define big_unlock(thing) pthread_mutex_unlock(&thing##_lock)
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#define wait_for(thing, what) pthread_cond_wait(&(thing)->what, &(thing)->lock)
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#define notify(thing, what) pthread_cond_broadcast(&(thing)->what)
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#define ERR_PTR(err) (void *) (intptr_t) (err)
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#define PTR_ERR(ptr) (intptr_t) (ptr)
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#define IS_ERR(ptr) ((uintptr_t) (ptr) > (uintptr_t) -0xfff)
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#endif
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