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| author | Dimitri Staessens <[email protected]> | 2021-07-11 14:01:15 +0200 |
|---|---|---|
| committer | Sander Vrijders <[email protected]> | 2021-07-12 09:09:44 +0200 |
| commit | e33be771e4d9e5a88119f4e3af6259e01257c8a5 (patch) | |
| tree | 7097dbed859814fb100e61c3af66b040e191f12d /src/ipcpd/ipcp.c | |
| parent | d064464945878df38127279233bc433fef529c90 (diff) | |
| download | ouroboros-e33be771e4d9e5a88119f4e3af6259e01257c8a5.tar.gz ouroboros-e33be771e4d9e5a88119f4e3af6259e01257c8a5.zip | |
ipcpd: Reduce Linux slack timer
This will reduce the linux high resolution slack timer in IPCPs. Linux
default for userspace processes is 50us. It is configurable at build
using IPCP_LINUX_SLACKTIMER_NS. Default is now 1us.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
Diffstat (limited to 'src/ipcpd/ipcp.c')
| -rw-r--r-- | src/ipcpd/ipcp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ipcpd/ipcp.c b/src/ipcpd/ipcp.c index 59fbdba6..ab2f88f8 100644 --- a/src/ipcpd/ipcp.c +++ b/src/ipcpd/ipcp.c @@ -53,6 +53,7 @@ #include <signal.h> #include <string.h> #include <sys/socket.h> +#include <sys/prctl.h> #include <stdlib.h> #if defined(__linux__) && !defined(DISABLE_CORE_LOCK) #include <unistd.h> @@ -710,6 +711,9 @@ int ipcp_init(int argc, ipcpi.state = IPCP_NULL; ipcpi.type = type; +#if defined (__linux__) + prctl(PR_SET_TIMERSLACK, IPCP_LINUX_SLACK_NS, 0, 0, 0); +#endif ipcpi.sock_path = ipcp_sock_path(getpid()); if (ipcpi.sock_path == NULL) goto fail_sock_path; |