Add threads.c

This commit is contained in:
Augusto Gunsch 2020-12-31 20:12:31 -03:00
parent b9f016f82a
commit a9a78c62c4
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GPG Key ID: F7EEFE29825C72DC
4 changed files with 88 additions and 70 deletions

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@ -1,7 +1,7 @@
FILES = *.c */*.c
LIBRARIES = -lpthread
INCLUDES = -I. -I./parser/ -I./compiler/ -I./vm/ -I./tokenizer/ -I./misc/
CFLAGS = -std=c99 -g
CFLAGS = -std=c99 -Wall
OUTFILE = jack-compiler
main: ${FILES}

70
main.c
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@ -2,81 +2,13 @@
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
#include "threads.h"
#include "parser.h"
#include "compiler.h"
#include "io.h"
#include "os.h"
typedef struct unit {
FILELIST* file;
TOKEN* tokens;
CLASS* parsed;
COMPILER* compiler;
LINEBLOCK* compiled;
struct unit* next;
} COMPILEUNIT;
void* parseunit(void* input) {
COMPILEUNIT* unit = (COMPILEUNIT*)input;
unit->parsed = parse(unit->tokens, unit->file->name);
pthread_exit(NULL);
}
void* compileunit(void* input) {
COMPILEUNIT* unit = (COMPILEUNIT*)input;
unit->compiled = compileclass(unit->compiler, unit->parsed);
pthread_exit(NULL);
}
void waitthreads(pthread_t* threads, int amount) {
void* status;
int code;
for(int i = 0; i < amount; i++) {
code = pthread_join(threads[i], &status);
if(code) {
eprintf("Error while joining thread %i: %s\n", i, strerror(code));
exit(code);
}
}
}
void actonunits(COMPILEUNIT* units, void*(*fun)(void*)) {
pthread_t mythreads[_SC_THREAD_THREADS_MAX];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
COMPILEUNIT* curr = units;
int i;
int code;
do {
i = 0;
while(curr != NULL && i < _SC_THREAD_THREADS_MAX) {
code = pthread_create(&mythreads[i], &attr, fun, curr);
if(code) {
eprintf("Error while creating thread %i: %s\n", i, strerror(code));
exit(code);
}
curr = curr->next;
i++;
}
waitthreads(mythreads, i);
} while(i == _SC_THREAD_THREADS_MAX);
pthread_attr_destroy(&attr);
}
int main(int argc, char* argv[]) {
if(argc < 2) {
eprintf("Usage: %s {input file(s)}\n", argv[0]);
return 1;

62
misc/threads.c Normal file
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@ -0,0 +1,62 @@
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "threads.h"
void* parseunit(void* input) {
COMPILEUNIT* unit = (COMPILEUNIT*)input;
unit->parsed = parse(unit->tokens, unit->file->name);
pthread_exit(NULL);
}
void* compileunit(void* input) {
COMPILEUNIT* unit = (COMPILEUNIT*)input;
unit->compiled = compileclass(unit->compiler, unit->parsed);
pthread_exit(NULL);
}
void waitthreads(pthread_t* threads, int amount) {
void* status;
int code;
for(int i = 0; i < amount; i++) {
code = pthread_join(threads[i], &status);
if(code) {
eprintf("Error while joining thread %i: %s\n", i, strerror(code));
exit(code);
}
}
}
void actonunits(COMPILEUNIT* units, void*(*fun)(void*)) {
pthread_t mythreads[_SC_THREAD_THREADS_MAX];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
COMPILEUNIT* curr = units;
int i;
int code;
do {
i = 0;
while(curr != NULL && i < _SC_THREAD_THREADS_MAX) {
code = pthread_create(&mythreads[i], &attr, fun, curr);
if(code) {
eprintf("Error while creating thread %i: %s\n", i, strerror(code));
exit(code);
}
curr = curr->next;
i++;
}
waitthreads(mythreads, i);
} while(i == _SC_THREAD_THREADS_MAX);
pthread_attr_destroy(&attr);
}

24
misc/threads.h Normal file
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@ -0,0 +1,24 @@
#ifndef THREADS_H
#define THREADS_H
#include <pthread.h>
#include "parser.h"
#include "compiler.h"
#include "io.h"
/* threads
* Tools for dealing with the compiling pipeline in a parallel way */
typedef struct unit {
FILELIST* file;
TOKEN* tokens;
CLASS* parsed;
COMPILER* compiler;
LINEBLOCK* compiled;
struct unit* next;
} COMPILEUNIT;
void* parseunit(void* input);
void* compileunit(void* input);
void waitthreads(pthread_t* threads, int amount);
void actonunits(COMPILEUNIT* units, void*(*fun)(void*));
#endif