aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tools/wdye/test.lua2
-rw-r--r--tools/wdye/wdye.adoc6
-rw-r--r--tools/wdye/wdye.c30
3 files changed, 23 insertions, 15 deletions
diff --git a/tools/wdye/test.lua b/tools/wdye/test.lua
index c255c72..add8488 100644
--- a/tools/wdye/test.lua
+++ b/tools/wdye/test.lua
@@ -25,7 +25,9 @@ cat:send("Closing...\r"):send("\004")
local v = expect(cat:eof {true},
cat:default {.5, function (p) error "expected EOF, got a timeout" end})
+assert(cat.pid > 0, "process has no ID")
local s1, exit, signal = cat:wait ()
assert(s1 == 0 and exit == 0 and not signal, "unexpected exit status")
+assert(cat.pid < 0, "process still has an ID")
local s2 = cat:wait (true)
assert(s1 == s2, "exit status not remembered")
diff --git a/tools/wdye/wdye.adoc b/tools/wdye/wdye.adoc
index 98e251e..2609849 100644
--- a/tools/wdye/wdye.adoc
+++ b/tools/wdye/wdye.adoc
@@ -31,7 +31,7 @@ The *env* map may be used to override environment variables, notably _TERM_.
Variables evaluating to _false_ will be removed from the environment.
The program's whole process group receives SIGKILL when the _process_
-is garbage-collected.
+is garbage-collected, unless *wait* has collected the process group leader.
wdye.expect ([pattern1, ...])
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -57,6 +57,10 @@ PROCESS.buffer
~~~~~~~~~~~~~~
A string with the _process_' current read buffer contents.
+PROCESS.pid
+~~~~~~~~~~~
+An integer with the _process_' process ID, or -1 if *wait* has collected it.
+
PROCESS.term
~~~~~~~~~~~~
A table with the _process_' *terminfo*(5) capabilities,
diff --git a/tools/wdye/wdye.c b/tools/wdye/wdye.c
index b7fccd6..677d945 100644
--- a/tools/wdye/wdye.c
+++ b/tools/wdye/wdye.c
@@ -175,7 +175,7 @@ pty_fork (int *ptrfdm, char **slave_name,
char *pts_name = NULL;
if ((fdm = ptym_open (&pts_name)) < 0)
{
- error_set (e, "can’t open master pty: %s", strerror (errno));
+ error_set (e, "can't open master pty: %s", strerror (errno));
return -1;
}
if (slave_name != NULL)
@@ -194,7 +194,7 @@ pty_fork (int *ptrfdm, char **slave_name,
if (setsid () < 0)
exit_fatal ("setsid: %s", strerror (errno));
if ((fds = ptys_open (pts_name)) < 0)
- exit_fatal ("can’t open slave pty: %s", strerror (errno));
+ exit_fatal ("can't open slave pty: %s", strerror (errno));
xclose (fdm);
#if defined BSD
@@ -401,7 +401,7 @@ xlua_pattern_index (lua_State *L)
if (!strcmp (key, "process"))
lua_rawgeti (L, LUA_REGISTRYINDEX, self->ref_process);
else
- return luaL_argerror (L, 2, "not a readable property");
+ return luaL_error (L, "not a readable property: %s", key);
return 1;
}
@@ -411,8 +411,8 @@ xlua_pattern_index (lua_State *L)
case PATTERN_REGEX:
{
const regmatch_t *m = self->matches + group;
- if (group < 0 || group > self->regex->re_nsub
- || m->rm_so < 0 || m->rm_eo < 0 || m->rm_eo > self->input.len)
+ if (group < 0 || (size_t) group > self->regex->re_nsub
+ || m->rm_so < 0 || m->rm_eo < 0 || (size_t) m->rm_eo > self->input.len)
lua_pushnil (L);
else
lua_pushlstring (L,
@@ -428,7 +428,7 @@ xlua_pattern_index (lua_State *L)
lua_pushlstring (L, self->input.str, self->input.len);
return 1;
default:
- return luaL_argerror (L, 2, "indexing unavailable for this pattern");
+ return luaL_argerror (L, 1, "indexing unavailable for this pattern");
}
}
@@ -519,10 +519,12 @@ xlua_process_index (lua_State *L)
if (!strcmp (key, "buffer"))
lua_pushlstring (L, self->buffer.str, self->buffer.len);
+ else if (!strcmp (key, "pid"))
+ lua_pushinteger (L, self->pid);
else if (!strcmp (key, "term"))
lua_rawgeti (L, LUA_REGISTRYINDEX, self->ref_term);
else
- return luaL_argerror (L, 2, "not a readable property");
+ return luaL_error (L, "not a readable property: %s", key);
return 1;
}
@@ -542,7 +544,7 @@ xlua_process_send (lua_State *L)
ssize_t written = write (self->terminal_fd, arg, len);
if (written == -1)
return luaL_error (L, "write failed: %s", strerror (errno));
- else if (written != len)
+ else if (written != (ssize_t) len)
return luaL_error (L, "write failed: %s", "short write");
if (self->asciicast)
@@ -560,7 +562,7 @@ xlua_process_send (lua_State *L)
static int
xlua_process_regex (lua_State *L)
{
- struct process *self = luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
+ (void) luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
luaL_checktype (L, 2, LUA_TTABLE);
if (lua_gettop (L) != 2)
return luaL_error (L, "too many arguments");
@@ -593,7 +595,7 @@ xlua_process_regex (lua_State *L)
static int
xlua_process_exact (lua_State *L)
{
- struct process *self = luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
+ (void) luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
luaL_checktype (L, 2, LUA_TTABLE);
if (lua_gettop (L) != 2)
return luaL_error (L, "too many arguments");
@@ -618,7 +620,7 @@ xlua_process_exact (lua_State *L)
static int
xlua_process_eof (lua_State *L)
{
- struct process *self = luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
+ (void) luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
luaL_checktype (L, 2, LUA_TTABLE);
if (lua_gettop (L) != 2)
return luaL_error (L, "too many arguments");
@@ -634,7 +636,7 @@ xlua_process_eof (lua_State *L)
static int
xlua_process_default (lua_State *L)
{
- struct process *self = luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
+ (void) luaL_checkudata (L, 1, XLUA_PROCESS_METATABLE);
luaL_checktype (L, 2, LUA_TTABLE);
if (lua_gettop (L) != 2)
return luaL_error (L, "too many arguments");
@@ -1081,7 +1083,7 @@ expect_prepare_pattern (struct expect_context *ctx, struct pattern *p)
{
str_reset (&p->input);
if (p->kind == PATTERN_REGEX)
- for (int i = 0; i <= p->regex->re_nsub; i++)
+ for (size_t i = 0; i <= p->regex->re_nsub; i++)
p->matches[i] = (regmatch_t) { .rm_so = -1, .rm_eo = -1 };
if (p->kind == PATTERN_REGEX
@@ -1168,7 +1170,7 @@ pattern_match (struct pattern *self)
if (regexec (self->regex, buffer->str,
self->regex->re_nsub + 1, self->matches, flags))
{
- for (int i = 0; i <= self->regex->re_nsub; i++)
+ for (size_t i = 0; i <= self->regex->re_nsub; i++)
self->matches[i] = (regmatch_t) { .rm_so = -1, .rm_eo = -1 };
return false;
}