Fix worker test

Github actions were running low on memory causing ENOMEM errors
when running the test_work test.

This commit lowers the number of background coroutines in hopes
to alleviate the memory pressure.

deps/worker.c

@@ -12,6 +12,12 @@
 #include <string.h>
 #include <pthread.h>
 
+#ifdef WORKER_STATIC
+#define WORKER_API static
+#else
+#define WORKER_API
+#endif
+
 #define WORKER_DEF_TIMEOUT INT64_C(1000000000) // one second
 #define WORKER_DEF_MAX_THREADS 2
 #define WORKER_DEF_MAX_THREAD_ENTRIES 32
@@ -46,6 +52,7 @@ struct worker {
     void (*free)(void*);
 };
 
+WORKER_API
 void worker_free(struct worker *worker) {
     if (worker) {
         if (worker->threads) {
@@ -70,6 +77,7 @@ void worker_free(struct worker *worker) {
     }
 }
 
+WORKER_API
 struct worker *worker_new(struct worker_opts *opts) {
     // Load options
     int nthreads = opts ? opts->max_threads : 0;
@@ -164,6 +172,7 @@ static void *worker_entry(void *arg) {
 /// @param udata any user data
 /// @return true for success or false if no worker is available. 
 /// @return false for invalid arguments. Worker and work must no be null.
+WORKER_API
 bool worker_submit(struct worker *worker, int64_t pin, void(*work)(void *udata),
     void *udata)
 {

neco.c

@@ -97,8 +97,15 @@ NECO_NOWRITEWORKERS   // Disable all write workers
 #undef NECO_BURST
 #define NECO_BURST 1
 #endif
+#if NECO_MAXWORKERS > 8
+#undef NECO_MAXWORKERS
+#define NECO_MAXWORKERS 8
+#endif
+#if NECO_MAXRINGSIZE > 4
+#undef NECO_MAXRINGSIZE
+#define NECO_MAXRINGSIZE 4
+#endif
 #endif
-
 
 // The following is only needed when LLCO_NOASM or LLCO_STACKJMP is defined.
 // This same block is duplicated in the llco.c block below.
@@ -137,6 +144,7 @@ NECO_NOWRITEWORKERS   // Disable all write workers
 
 #define SCO_STATIC
 #define STACK_STATIC
+#define WORKER_STATIC
 
 #if defined(__GNUC__)
 #pragma GCC diagnostic push
@@ -2623,6 +2631,12 @@ void *stack_addr(struct stack *stack) {
 #include <string.h>
 #include <pthread.h>
 
+#ifdef WORKER_STATIC
+#define WORKER_API static
+#else
+#define WORKER_API
+#endif
+
 #define WORKER_DEF_TIMEOUT INT64_C(1000000000) // one second
 #define WORKER_DEF_MAX_THREADS 2
 #define WORKER_DEF_MAX_THREAD_ENTRIES 32
@@ -2657,6 +2671,7 @@ struct worker {
     void (*free)(void*);
 };
 
+WORKER_API
 void worker_free(struct worker *worker) {
     if (worker) {
         if (worker->threads) {
@@ -2681,6 +2696,7 @@ void worker_free(struct worker *worker) {
     }
 }
 
+WORKER_API
 struct worker *worker_new(struct worker_opts *opts) {
     // Load options
     int nthreads = opts ? opts->max_threads : 0;
@@ -2775,6 +2791,7 @@ static void *worker_entry(void *arg) {
 /// @param udata any user data
 /// @return true for success or false if no worker is available. 
 /// @return false for invalid arguments. Worker and work must no be null.
+WORKER_API
 bool worker_submit(struct worker *worker, int64_t pin, void(*work)(void *udata),
     void *udata)
 {

tests/test_work.c

@@ -15,7 +15,7 @@ void co_work_runner(int argc, void *argv[]) {
 
 void co_work(int argc, void *argv[]) {
     (void)argc; (void)argv;
-    for (int i = 0; i < 10000; i++) {
+    for (int i = 0; i < 100; i++) {
         expect(neco_start(co_work_runner, 1, &i), NECO_OK);
     }
 }