vfs: advisory locking + flock syscall

kernel-src/arch/x86-64/syscall.asm

@@ -93,6 +93,7 @@ extern syscall_sigpending
 extern syscall_killthread
 extern syscall_shutdown
 extern syscall_nice
+extern syscall_flock
 syscalltab:
 dq syscall_print
 dq syscall_mmap
@@ -188,7 +189,8 @@ dq syscall_sigpending
 dq syscall_killthread
 dq syscall_shutdown
 dq syscall_nice
-syscallcount equ 94
+dq syscall_flock
+syscallcount equ 95
 section .text
 global arch_syscall_entry
 ; on entry:

kernel-src/arch/x86-64/syscalllog.c

@@ -5,7 +5,7 @@
 
 #ifdef SYSCALL_LOGGING
 
-#define SYSCALL_COUNT 94
+#define SYSCALL_COUNT 95
 #define LOGSTR(x) arch_e9_puts(x)
 
 static char *name[] = {
@@ -102,7 +102,8 @@ static char *name[] = {
 	"sigpending",
 	"killthread",
 	"shutdown",
-	"nice"
+	"nice",
+	"flock"
 };
 
 static char *args[] = {
@@ -199,7 +200,8 @@ static char *args[] = {
 	"sigset %p", // sigpending
 	"pid %d tid %d signal %d", // killthread
 	"how %d", // shutdown
-	"off %d" // nice
+	"off %d", // nice
+	"fd %d op %d" // flock
 };
 
 #endif