mirror of
https://github.com/justinethier/cyclone.git
synced 2025-05-19 21:59:16 +02:00
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
#include "cyclone/types.h"
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#include "cyclone/runtime.h"
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#include "sys.h"
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#include <unistd.h>
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extern object __glo_signal_91done;
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void after_call_scm(gc_thread_data *thd, int argc, object k, object result)
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{
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// TODO: what to do with result?
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longjmp(*(thd->jmp_start), 1);
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}
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void call_scm(gc_thread_data *thd, object obj)
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{
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//static void __lambda_1(void *data, int argc, closure _,object k_7312, object obj_731_735) {
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mclosure0(after, (function_type)after_call_scm);
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((closure)__glo_signal_91done)->fn(thd, 2, __glo_signal_91done, &after, obj);
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}
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void wait_and_signal(gc_thread_data *thd)
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{
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// print, wait couple secs, signal SCM side
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printf("Hello from C thread\n");
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sleep(1);
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printf("C calling into SCM\n");
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call_scm(thd, boolean_t);
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}
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void *c_thread(void *arg)
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{
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int first = 1;
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long stack_size = 100000;
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char *stack_base = (char *)&stack_size;
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char *stack_traces[MAX_STACK_TRACES];
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gc_thread_data thd; // TODO: initialize
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jmp_buf jmp;
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thd.jmp_start = &jmp;
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thd.stack_start = stack_base;
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#if STACK_GROWTH_IS_DOWNWARD
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thd.stack_limit = stack_base - stack_size;
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#else
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thd.stack_limit = stack_base + stack_size;
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#endif
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thd.stack_traces = stack_traces; //calloc(MAX_STACK_TRACES, sizeof(char *));
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thd.stack_trace_idx = 0;
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thd.stack_prev_frame = NULL;
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// TODO: many more initializations required, need to figure out
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// minimum set to optimize for micro / short / long calls into Scheme.
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// We will make different assumptions in each case
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setjmp(*(thd.jmp_start));
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if (first) {
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first = 0;
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wait_and_signal(&thd);
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}
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return NULL;
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}
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void start_c_thread(void)
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{
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pthread_t thread;
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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if (pthread_create(&thread, &attr, c_thread, NULL)) {
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fprintf(stderr, "Error creating a new thread\n");
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exit(1);
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}
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pthread_attr_destroy(&attr);
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}
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