-%define SYS_SETNAME 9 ;Sets the name of the current thread
-%define SYS_GETNAME 10 ;Gets the name of a thread
-%define SYS_GETTID 11 ;Get current thread ID
-%define SYS_GETPID 12 ;Get current thread group ID
-%define SYS_SETPRI 13 ;Set process priority
-%define SYS_SENDMSG 14 ;Send an IPC message
-%define SYS_GETMSG 15 ;Recieve an IPC message
-%define SYS_GETTIME 16 ;Get the current timestamp
-%define SYS_SPAWN 17 ;Spawn a new process
-%define SYS_EXECVE 18 ;Replace the current process
-%define SYS_LOADBIN 19 ;Load a binary into the current address space
-%define SYS_UNLOADBIN 20 ;Unload a loaded binary
-%define SYS_LOADMOD 21 ;Load a module into the kernel
+%define SYS_SETSIGNALHANDLER 9 ;Set the POSIX signal handler
+%define SYS_SETSIGNALMASK 10 ;Sets the mask of disabled POSIX signals
+%define SYS_SETNAME 11 ;Sets the name of the current thread
+%define SYS_GETNAME 12 ;Gets the name of a thread
+%define SYS_GETTID 13 ;Get current thread ID
+%define SYS_GETPID 14 ;Get current thread group ID
+%define SYS_SETPRI 15 ;Set process priority
+%define SYS_SENDMSG 16 ;Send an IPC message
+%define SYS_GETMSG 17 ;Recieve an IPC message
+%define SYS_GETTIME 18 ;Get the current timestamp
+%define SYS_SPAWN 19 ;Spawn a new process
+%define SYS_EXECVE 20 ;Replace the current process
+%define SYS_LOADBIN 21 ;Load a binary into the current address space
+%define SYS_UNLOADBIN 22 ;Unload a loaded binary
+%define SYS_LOADMOD 23 ;Load a module into the kernel