#include "fio.h"
#include "server.h"
#include "crc/crc16.h"
-#include "ieee754.h"
+#include "lib/ieee754.h"
#include "fio_version.h"
-int fio_net_port = 8765;
+int fio_net_port = FIO_NET_PORT;
int exit_backend = 0;
static char *fio_server_arg;
static char *bind_sock;
static struct sockaddr_in saddr_in;
+static struct sockaddr_in6 saddr_in6;
+static int first_cmd_check;
+static int use_ipv6;
+
+static const char *fio_server_ops[FIO_NET_CMD_NR] = {
+ "",
+ "QUIT",
+ "EXIT",
+ "JOB",
+ "JOBLINE",
+ "TEXT",
+ "TS",
+ "GS",
+ "SEND_ETA",
+ "ETA",
+ "PROBE",
+ "START",
+ "STOP",
+ "DISK_UTIL",
+ "SERVER_START",
+ "ADD_JOB",
+ "CMD_RUN"
+};
+
+const char *fio_server_op(unsigned int op)
+{
+ static char buf[32];
+
+ if (op < FIO_NET_CMD_NR)
+ return fio_server_ops[op];
+
+ sprintf(buf, "UNKNOWN/%d", op);
+ return buf;
+}
int fio_send_data(int sk, const void *p, unsigned int len)
{
- assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU);
+ assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU);
do {
int ret = send(sk, p, len, 0);
break;
else if (errno == EAGAIN || errno == EINTR)
continue;
+ else
+ break;
} while (!exit_backend);
if (!len)
return 0;
+ if (errno)
+ return -errno;
+
return 1;
}
break;
else if (errno == EAGAIN || errno == EINTR)
continue;
+ else
+ break;
} while (!exit_backend);
if (!len)
cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16);
cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16);
- crc = crc16(cmd, FIO_NET_CMD_CRC_SZ);
+ crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ);
if (crc != cmd->cmd_crc16) {
log_err("fio: server bad crc on command (got %x, wanted %x)\n",
cmd->cmd_crc16, crc);
return 1;
}
- if (cmd->pdu_len > FIO_SERVER_MAX_PDU) {
+ if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) {
log_err("fio: command payload too large: %u\n", cmd->pdu_len);
return 1;
}
if (first)
memcpy(cmdret, &cmd, sizeof(cmd));
- else
- assert(cmdret->opcode == cmd.opcode);
+ else if (cmdret->opcode != cmd.opcode) {
+ log_err("fio: fragment opcode mismatch (%d != %d)\n",
+ cmdret->opcode, cmd.opcode);
+ ret = 1;
+ break;
+ }
if (!cmd.pdu_len)
break;
break;
/* Verify payload crc */
- crc = crc16(pdu, cmd.pdu_len);
+ crc = fio_crc16(pdu, cmd.pdu_len);
if (crc != cmd.pdu_crc16) {
log_err("fio: server bad crc on payload ");
log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc);
cmdret = NULL;
} else if (cmdret) {
/* zero-terminate text input */
- if (cmdret->pdu_len && (cmdret->opcode == FIO_NET_CMD_TEXT ||
- cmdret->opcode == FIO_NET_CMD_JOB)) {
- char *buf = (char *) cmdret->payload;
+ if (cmdret->pdu_len) {
+ if (cmdret->opcode == FIO_NET_CMD_TEXT) {
+ struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmdret->payload;
+ char *buf = (char *) pdu->buf;
- buf[cmdret->pdu_len ] = '\0';
+ buf[pdu->buf_len ] = '\0';
+ } else if (cmdret->opcode == FIO_NET_CMD_JOB) {
+ char *buf = (char *) cmdret->payload;
+
+ buf[cmdret->pdu_len ] = '\0';
+ }
}
+
/* frag flag is internal */
cmdret->flags &= ~FIO_NET_CMD_F_MORE;
}
{
uint32_t pdu_len;
- cmd->cmd_crc16 = __cpu_to_le16(crc16(cmd, FIO_NET_CMD_CRC_SZ));
+ cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ));
pdu_len = le32_to_cpu(cmd->pdu_len);
if (pdu_len)
- cmd->pdu_crc16 = __cpu_to_le16(crc16(cmd->payload, pdu_len));
+ cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(cmd->payload, pdu_len));
}
int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size,
do {
this_len = size;
- if (this_len > FIO_SERVER_MAX_PDU)
- this_len = FIO_SERVER_MAX_PDU;
+ if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU)
+ this_len = FIO_SERVER_MAX_FRAGMENT_PDU;
if (!cmd || cur_len < sizeof(*cmd) + this_len) {
if (cmd)
return ret;
}
-int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag)
+static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag)
{
struct fio_net_cmd cmd;
return fio_send_data(sk, &cmd, sizeof(cmd));
}
+/*
+ * If 'list' is non-NULL, then allocate and store the sent command for
+ * later verification.
+ */
+int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag,
+ struct flist_head *list)
+{
+ struct fio_net_int_cmd *cmd;
+ int ret;
+
+ if (!list)
+ return fio_net_send_simple_stack_cmd(sk, opcode, tag);
+
+ cmd = malloc(sizeof(*cmd));
+
+ fio_init_net_cmd(&cmd->cmd, opcode, NULL, 0, (uintptr_t) cmd);
+ fio_net_cmd_crc(&cmd->cmd);
+
+ INIT_FLIST_HEAD(&cmd->list);
+ gettimeofday(&cmd->tv, NULL);
+ cmd->saved_tag = tag;
+
+ ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd));
+ if (ret) {
+ free(cmd);
+ return ret;
+ }
+
+ flist_add_tail(&cmd->list, list);
+ return 0;
+}
+
static int fio_server_send_quit_cmd(void)
{
dprint(FD_NET, "server: sending quit\n");
- return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0);
+ return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL);
+}
+
+static int handle_run_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_end_pdu epdu;
+ int ret;
+
+ ret = fio_backend();
+
+ epdu.error = ret;
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0);
+
+ fio_server_send_quit_cmd();
+ reset_fio_state();
+ first_cmd_check = 0;
+ return ret;
}
static int handle_job_cmd(struct fio_net_cmd *cmd)
{
char *buf = (char *) cmd->payload;
- int ret;
+ struct cmd_start_pdu spdu;
if (parse_jobs_ini(buf, 1, 0)) {
fio_server_send_quit_cmd();
return -1;
}
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
-
- ret = exec_run();
- fio_server_send_quit_cmd();
- reset_fio_state();
- return ret;
+ spdu.jobs = cpu_to_le32(thread_number);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0);
+ return 0;
}
static int handle_jobline_cmd(struct fio_net_cmd *cmd)
struct cmd_single_line_pdu *cslp;
struct cmd_line_pdu *clp;
unsigned long offset;
+ struct cmd_start_pdu spdu;
char **argv;
- int ret, i;
+ int i;
clp = pdu;
clp->lines = le16_to_cpu(clp->lines);
free(argv);
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
-
- ret = exec_run();
- fio_server_send_quit_cmd();
- reset_fio_state();
- return ret;
+ spdu.jobs = cpu_to_le32(thread_number);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0);
+ return 0;
}
static int handle_probe_cmd(struct fio_net_cmd *cmd)
{
struct cmd_probe_pdu probe;
+ dprint(FD_NET, "server: sending probe reply\n");
+
memset(&probe, 0, sizeof(probe));
gethostname((char *) probe.hostname, sizeof(probe.hostname));
#ifdef FIO_BIG_ENDIAN
probe.os = FIO_OS;
probe.arch = FIO_ARCH;
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), 0);
+ probe.bpp = sizeof(void *);
+
+ return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag);
}
static int handle_send_eta_cmd(struct fio_net_cmd *cmd)
size_t size;
int i;
- size = sizeof(*je) + thread_number * sizeof(char);
+ if (!thread_number)
+ return 0;
+
+ size = sizeof(*je) + thread_number * sizeof(char) + 1;
je = malloc(size);
memset(je, 0, size);
je->nr_ramp = cpu_to_le32(je->nr_ramp);
je->nr_pending = cpu_to_le32(je->nr_pending);
je->files_open = cpu_to_le32(je->files_open);
- je->m_rate = cpu_to_le32(je->m_rate);
- je->t_rate = cpu_to_le32(je->t_rate);
- je->m_iops = cpu_to_le32(je->m_iops);
- je->t_iops = cpu_to_le32(je->t_iops);
for (i = 0; i < 2; i++) {
+ je->m_rate[i] = cpu_to_le32(je->m_rate[i]);
+ je->t_rate[i] = cpu_to_le32(je->t_rate[i]);
+ je->m_iops[i] = cpu_to_le32(je->m_iops[i]);
+ je->t_iops[i] = cpu_to_le32(je->t_iops[i]);
je->rate[i] = cpu_to_le32(je->rate[i]);
je->iops[i] = cpu_to_le32(je->iops[i]);
}
- je->elapsed_sec = cpu_to_le32(je->nr_running);
+ je->elapsed_sec = cpu_to_le64(je->elapsed_sec);
je->eta_sec = cpu_to_le64(je->eta_sec);
+ je->nr_threads = cpu_to_le32(je->nr_threads);
fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag);
free(je);
{
int ret;
- dprint(FD_NET, "server: got opcode %d, pdu=%u\n", cmd->opcode, cmd->pdu_len);
+ dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n",
+ fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag);
switch (cmd->opcode) {
case FIO_NET_CMD_QUIT:
case FIO_NET_CMD_SEND_ETA:
ret = handle_send_eta_cmd(cmd);
break;
+ case FIO_NET_CMD_RUN:
+ ret = handle_run_cmd(cmd);
+ break;
default:
- log_err("fio: unknown opcode: %d\n", cmd->opcode);
+ log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode));
ret = 1;
}
void fio_server_idle_loop(void)
{
+ if (!first_cmd_check) {
+ fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL);
+ first_cmd_check = 1;
+ }
if (server_fd != -1)
handle_connection(server_fd, 0);
}
return exitval;
}
-int fio_server_text_output(const char *buf, size_t len)
+int fio_server_text_output(int level, const char *buf, size_t len)
{
- if (server_fd != -1)
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len, 0);
+ struct cmd_text_pdu *pdu;
+ unsigned int tlen;
+ struct timeval tv;
+
+ if (server_fd == -1)
+ return log_local_buf(buf, len);
+
+ tlen = sizeof(*pdu) + len;
+ pdu = malloc(tlen);
+
+ pdu->level = __cpu_to_le32(level);
+ pdu->buf_len = __cpu_to_le32(len);
+
+ gettimeofday(&tv, NULL);
+ pdu->log_sec = __cpu_to_le64(tv.tv_sec);
+ pdu->log_usec = __cpu_to_le64(tv.tv_usec);
- return log_local_buf(buf, len);
+ memcpy(pdu->buf, buf, len);
+
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, 0);
+ free(pdu);
+ return len;
}
static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles);
for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
- fio_fp64_t *fp = &p.ts.percentile_list[i];
+ fio_fp64_t *src = &ts->percentile_list[i];
+ fio_fp64_t *dst = &p.ts.percentile_list[i];
- fp->u.i = __cpu_to_le64(fio_double_to_uint64(fp->u.f));
+ dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f));
}
for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0);
}
-int fio_server_log(const char *format, ...)
+static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src)
{
- char buffer[1024];
- va_list args;
- size_t len;
+ int i;
- dprint(FD_NET, "server log\n");
+ for (i = 0; i < 2; i++) {
+ dst->ios[i] = cpu_to_le32(src->ios[i]);
+ dst->merges[i] = cpu_to_le32(src->merges[i]);
+ dst->sectors[i] = cpu_to_le64(src->sectors[i]);
+ dst->ticks[i] = cpu_to_le32(src->ticks[i]);
+ }
- va_start(args, format);
- len = vsnprintf(buffer, sizeof(buffer), format, args);
- va_end(args);
+ dst->io_ticks = cpu_to_le32(src->io_ticks);
+ dst->time_in_queue = cpu_to_le32(src->time_in_queue);
+ dst->slavecount = cpu_to_le32(src->slavecount);
+ dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f));
+}
- return fio_server_text_output(buffer, len);
+static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src)
+{
+ int i;
+
+ strcpy((char *) dst->name, (char *) src->name);
+
+ for (i = 0; i < 2; i++) {
+ dst->ios[i] = cpu_to_le32(src->ios[i]);
+ dst->merges[i] = cpu_to_le32(src->merges[i]);
+ dst->sectors[i] = cpu_to_le64(src->sectors[i]);
+ dst->ticks[i] = cpu_to_le32(src->ticks[i]);
+ }
+
+ dst->io_ticks = cpu_to_le32(src->io_ticks);
+ dst->time_in_queue = cpu_to_le32(src->time_in_queue);
+ dst->msec = cpu_to_le64(src->msec);
+}
+
+void fio_server_send_du(void)
+{
+ struct disk_util *du;
+ struct flist_head *entry;
+ struct cmd_du_pdu pdu;
+
+ dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list));
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ flist_for_each(entry, &disk_list) {
+ du = flist_entry(entry, struct disk_util, list);
+
+ convert_dus(&pdu.dus, &du->dus);
+ convert_agg(&pdu.agg, &du->agg);
+
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), 0);
+ }
+}
+
+void fio_server_send_add_job(struct thread_options *o, const char *ioengine)
+{
+ struct cmd_add_job_pdu pdu;
+
+ convert_thread_options_to_net(&pdu.top, o);
+
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0);
}
static int fio_init_server_ip(void)
{
+ struct sockaddr *addr;
+ fio_socklen_t socklen;
int sk, opt;
- sk = socket(AF_INET, SOCK_STREAM, 0);
+ if (use_ipv6)
+ sk = socket(AF_INET6, SOCK_STREAM, 0);
+ else
+ sk = socket(AF_INET, SOCK_STREAM, 0);
+
if (sk < 0) {
log_err("fio: socket: %s\n", strerror(errno));
return -1;
}
#endif
- saddr_in.sin_family = AF_INET;
+ if (use_ipv6) {
+ addr = (struct sockaddr *) &saddr_in6;
+ socklen = sizeof(saddr_in6);
+ saddr_in6.sin6_family = AF_INET6;
+ } else {
+ addr = (struct sockaddr *) &saddr_in;
+ socklen = sizeof(saddr_in);
+ saddr_in.sin_family = AF_INET;
+ }
- if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) {
+ if (bind(sk, addr, socklen) < 0) {
log_err("fio: bind: %s\n", strerror(errno));
close(sk);
return -1;
if (sk < 0)
return sk;
- if (!bind_sock)
- sprintf(bind_str, "%s:%u", inet_ntoa(saddr_in.sin_addr), fio_net_port);
- else
+ if (!bind_sock) {
+ char *p, port[16];
+ const void *src;
+ int af;
+
+ if (use_ipv6) {
+ af = AF_INET6;
+ src = &saddr_in6.sin6_addr;
+ } else {
+ af = AF_INET;
+ src = &saddr_in.sin_addr;
+ }
+
+ p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str));
+
+ sprintf(port, ",%u", fio_net_port);
+ if (p)
+ strcat(p, port);
+ else
+ strcpy(bind_str, port);
+ } else
strcpy(bind_str, bind_sock);
log_info("fio: server listening on %s\n", bind_str);
- if (listen(sk, 1) < 0) {
+ if (listen(sk, 0) < 0) {
log_err("fio: listen: %s\n", strerror(errno));
return -1;
}
return sk;
}
+int fio_server_parse_host(const char *host, int *ipv6, struct in_addr *inp,
+ struct in6_addr *inp6)
+
+{
+ int ret = 0;
+
+ if (*ipv6)
+ ret = inet_pton(AF_INET6, host, inp6);
+ else
+ ret = inet_pton(AF_INET, host, inp);
+
+ if (ret != 1) {
+ struct hostent *hent;
+
+ hent = gethostbyname(host);
+ if (!hent) {
+ log_err("fio: failed to resolve <%s>\n", host);
+ return 0;
+ }
+
+ if (*ipv6) {
+ if (hent->h_addrtype != AF_INET6) {
+ log_info("fio: falling back to IPv4\n");
+ *ipv6 = 0;
+ } else
+ memcpy(inp6, hent->h_addr_list[0], 16);
+ }
+ if (!*ipv6) {
+ if (hent->h_addrtype != AF_INET) {
+ log_err("fio: lookup type mismatch\n");
+ return 0;
+ }
+ memcpy(inp, hent->h_addr_list[0], 4);
+ }
+ ret = 1;
+ }
+
+ return !(ret == 1);
+}
+
+/*
+ * Parse a host/ip/port string. Reads from 'str'.
+ *
+ * Outputs:
+ *
+ * For IPv4:
+ * *ptr is the host, *port is the port, inp is the destination.
+ * For IPv6:
+ * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1.
+ * For local domain sockets:
+ * *ptr is the filename, *is_sock is 1.
+ */
int fio_server_parse_string(const char *str, char **ptr, int *is_sock,
- int *port, struct in_addr *inp)
+ int *port, struct in_addr *inp,
+ struct in6_addr *inp6, int *ipv6)
{
+ const char *host = str;
+ char *portp;
+ int lport = 0;
+
*ptr = NULL;
*is_sock = 0;
*port = fio_net_port;
+ *ipv6 = 0;
if (!strncmp(str, "sock:", 5)) {
*ptr = strdup(str + 5);
*is_sock = 1;
- } else {
- const char *host = str;
- char *portp;
- int lport = 0;
-
- /*
- * Is it ip:<ip or host>:port
- */
- if (!strncmp(host, "ip:", 3))
- host += 3;
- else if (host[0] == ':') {
- /* String is :port */
- host++;
- lport = atoi(host);
+
+ return 0;
+ }
+
+ /*
+ * Is it ip:<ip or host>:port
+ */
+ if (!strncmp(host, "ip:", 3))
+ host += 3;
+ else if (!strncmp(host, "ip4:", 4))
+ host += 4;
+ else if (!strncmp(host, "ip6:", 4)) {
+ host += 4;
+ *ipv6 = 1;
+ } else if (host[0] == ':') {
+ /* String is :port */
+ host++;
+ lport = atoi(host);
+ if (!lport || lport > 65535) {
+ log_err("fio: bad server port %u\n", port);
+ return 1;
+ }
+ /* no hostname given, we are done */
+ *port = lport;
+ return 0;
+ }
+
+ /*
+ * If no port seen yet, check if there's a last ':' at the end
+ */
+ if (!lport) {
+ portp = strchr(host, ',');
+ if (portp) {
+ *portp = '\0';
+ portp++;
+ lport = atoi(portp);
if (!lport || lport > 65535) {
log_err("fio: bad server port %u\n", port);
return 1;
}
- /* no hostname given, we are done */
- *port = lport;
- return 0;
}
+ }
- /*
- * If no port seen yet, check if there's a last ':' at the end
- */
- if (!lport) {
- portp = strchr(host, ':');
- if (portp) {
- *portp = '\0';
- portp++;
- lport = atoi(portp);
- if (!lport || lport > 65535) {
- log_err("fio: bad server port %u\n", port);
- return 1;
- }
- }
- }
-
- if (lport)
- *port = lport;
-
- *ptr = strdup(host);
+ if (lport)
+ *port = lport;
- if (inet_aton(host, inp) != 1) {
- struct hostent *hent;
+ if (!strlen(host))
+ return 0;
- hent = gethostbyname(host);
- if (!hent) {
- free(*ptr);
- *ptr = NULL;
- return 1;
- }
+ *ptr = strdup(host);
- memcpy(inp, hent->h_addr, 4);
- }
+ if (fio_server_parse_host(*ptr, ipv6, inp, inp6)) {
+ free(*ptr);
+ *ptr = NULL;
+ return 1;
}
if (*port == 0)
goto out;
ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock,
- &port, &saddr_in.sin_addr);
+ &port, &saddr_in.sin_addr,
+ &saddr_in6.sin6_addr, &use_ipv6);
if (!is_sock && bind_sock) {
free(bind_sock);
out:
fio_net_port = port;
saddr_in.sin_port = htons(port);
+ saddr_in6.sin6_port = htons(port);
return ret;
}
return ret;
}
-static void sig_int(int sig)
+void fio_server_got_signal(int signal)
{
- fio_terminate_threads(TERMINATE_ALL);
- exit_backend = 1;
-}
-
-static void server_signal_handler(void)
-{
- struct sigaction act;
-
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_int;
- act.sa_flags = SA_RESTART;
- sigaction(SIGINT, &act, NULL);
-
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_int;
- act.sa_flags = SA_RESTART;
- sigaction(SIGTERM, &act, NULL);
+ if (signal == SIGPIPE)
+ server_fd = -1;
+ else {
+ log_info("\nfio: terminating on signal %d\n", signal);
+ exit_backend = 1;
+ }
}
static int check_existing_pidfile(const char *pidfile)
pid = atoi(buf);
if (kill(pid, SIGCONT) < 0)
- return 0;
+ return errno != ESRCH;
return 1;
}
pid_t pid;
int ret;
- server_signal_handler();
+#if defined(WIN32)
+ WSADATA wsd;
+ WSAStartup(MAKEWORD(2,2), &wsd);
+#endif
if (!pidfile)
return fio_server();