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Make futexes cancellable by pthreads

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This commit is contained in:
Justine Tunney 2022-11-04 18:19:05 -07:00
parent 2278327eba
commit 022536cab6
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GPG key ID: BE714B4575D6E328
101 changed files with 627 additions and 391 deletions
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15
net/turfwar/turfwar.c
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@ -24,6 +24,7 @@
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/struct/stat.h"
#include "libc/calls/struct/sysinfo.h"
#include "libc/calls/struct/timespec.h"
#include "libc/calls/struct/timeval.h"
#include "libc/dce.h"
@ -358,6 +359,13 @@ struct Claims {
} data[QUEUE_MAX];
} g_claims;
long GetTotalRam(void) {
struct sysinfo si;
si.totalram = 256 * 1024 * 1024;
sysinfo(&si);
return si.totalram;
}
// easy string sender
ssize_t Write(int fd, const char *s) {
return write(fd, s, strlen(s));
@ -397,8 +405,14 @@ bool CheckDb(const char *file, int line, int rc, sqlite3 *db) {
// we need to do is wait a little bit, and use exponential backoff
int DbOpen(const char *path, sqlite3 **db) {
int i, rc;
char sql[128];
rc = sqlite3_open(path, db);
if (rc != SQLITE_OK) return rc;
if (!IsWindows() && !IsOpenbsd()) {
ksnprintf(sql, sizeof(sql), "PRAGMA mmap_size=%ld", GetTotalRam());
rc = sqlite3_exec(*db, sql, 0, 0, 0);
if (rc != SQLITE_OK) return rc;
}
for (i = 0; i < 7; ++i) {
rc = sqlite3_exec(*db, "PRAGMA journal_mode=WAL", 0, 0, 0);
if (rc == SQLITE_OK) break;
@ -410,6 +424,7 @@ int DbOpen(const char *path, sqlite3 **db) {
// why not make the statement prepare api a little less hairy too
int DbPrepare(sqlite3 *db, sqlite3_stmt **stmt, const char *sql) {
kprintf("%s\n", sql);
return sqlite3_prepare_v2(db, sql, -1, stmt, 0);
}