On 24-Apr-18 11:16 PM, Arnon Warshavsky wrote:
Change some local functions return type from void to int.
This change does not break ABI as the functions are internal.
Panic thrown from threads was not handled in this patch
Signed-off-by: Arnon Warshavsky <ar...@qwilt.com>
---
<...>
+ if (rte_config_init() != 0) {
+ rte_eal_init_alert("Failed to init configuration");
+ rte_errno = EFAULT;
+ return -1;
+ }
+
+ if (rte_mp_channel_init() < 0) {
+ rte_eal_init_alert("failed to init mp channel\n");
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rte_errno = EFAULT;
+ return -1;
+ }
+ }
^^^ this change looks unintended. Rebase artifact?
+
/* in secondary processes, memory init may allocate additional fbarrays
* not present in primary processes, so to avoid any potential issues,
* initialize memzones first.
@@ -671,6 +712,7 @@ static void rte_eal_init_alert(const char *msg)
*/
if (pipe(lcore_config[i].pipe_master2slave) < 0)
rte_panic("Cannot create pipe\n");
+
if (pipe(lcore_config[i].pipe_slave2master) < 0)
rte_panic("Cannot create pipe\n");
^^^ this looks unintended as well.
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 5b23bf0..54adaec 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -160,7 +160,7 @@ enum rte_iova_mode
* We also don't lock the whole file, so that in future we can use read-locks
* on other parts, e.g. memzones, to detect if there are running secondary
* processes. */
-static void
+static int
rte_eal_config_create(void)
{
void *rte_mem_cfg_addr;
@@ -169,7 +169,7 @@ enum rte_iova_mode
const char *pathname = eal_runtime_config_path();
if (internal_config.no_shconf)
- return;
<...>
}
rte_mem_cfg_addr = mmap(rte_mem_cfg_addr, sizeof(*rte_config.mem_config),
PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd,
0);
- if (rte_mem_cfg_addr == MAP_FAILED){
- rte_panic("Cannot mmap memory for rte_config\n");
+ if (rte_mem_cfg_addr == MAP_FAILED) {
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config\n",
+ __func__);
+ return -1;
}
I think you forgot to close mem_cfg_fd and set it to -1 in case of error
here.
memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
rte_config.mem_config = rte_mem_cfg_addr;
@@ -211,10 +221,11 @@ enum rte_iova_mode
* processes could later map the config into this exact location */
rte_config.mem_config->mem_cfg_addr = (uintptr_t) rte_mem_cfg_addr;
+ return 0;
}
<...>
/* map it as read-only first */
mem_config = (struct rte_mem_config *) mmap(NULL, sizeof(*mem_config),
PROT_READ, MAP_SHARED, mem_cfg_fd, 0);
- if (mem_config == MAP_FAILED)
- rte_panic("Cannot mmap memory for rte_config! error %i (%s)\n",
- errno, strerror(errno));
+ if (mem_config == MAP_FAILED) {
+ mem_cfg_fd = -1;
Forgot close() here, i think.
+ RTE_LOG(CRIT, EAL, "%s(): Cannot mmap memory for rte_config! error
%i (%s)\n",
+ __func__, errno, strerror(errno));
+ return -1;
+ }
rte_config.mem_config = mem_config;
+
+ return 0;
}
/* reattach the shared config at exact memory location primary process has it */
<...>
+ if (rte_config_init() != 0)
+ return -1;
+
if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0) {
rte_eal_init_alert("Cannot init logging.");
rte_errno = ENOMEM;
@@ -914,6 +946,7 @@ static void rte_eal_init_alert(const char *msg)
*/
if (pipe(lcore_config[i].pipe_master2slave) < 0)
rte_panic("Cannot create pipe\n");
+
if (pipe(lcore_config[i].pipe_slave2master) < 0)
Again, looks like unintended whitespace change.
rte_panic("Cannot create pipe\n");
--
Thanks,
Anatoly
