diff options
| -rw-r--r-- | config.def.h | 2 | ||||
| -rw-r--r-- | st.c | 29 | ||||
| -rw-r--r-- | st.h | 9 | ||||
| -rw-r--r-- | x.c | 16 |
4 files changed, 29 insertions, 27 deletions
diff --git a/config.def.h b/config.def.h index 616616a..82b1b09 100644 --- a/config.def.h +++ b/config.def.h @@ -16,7 +16,7 @@ static int borderpx = 2; * 4: value of shell in /etc/passwd * 5: value of shell in config.h */ -char *shell = "/bin/sh"; +static char *shell = "/bin/sh"; char *utmp = NULL; char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400"; @@ -136,8 +136,7 @@ typedef struct { int narg; /* nb of args */ } STREscape; - -static void execsh(char **); +static void execsh(char *, char **); static void stty(char **); static void sigchld(int); static void ttywriteraw(const char *, size_t); @@ -201,15 +200,13 @@ static char *base64dec(const char *); static ssize_t xwrite(int, const char *, size_t); /* Globals */ -int cmdfd; -pid_t pid; -int oldbutton = 3; /* button event on startup: 3 = release */ - static Term term; static Selection sel; static CSIEscape csiescseq; static STREscape strescseq; static int iofd = 1; +static int cmdfd; +static pid_t pid; static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; @@ -659,7 +656,7 @@ die(const char *errstr, ...) } void -execsh(char **args) +execsh(char *cmd, char **args) { char *sh, *prog; const struct passwd *pw; @@ -673,7 +670,7 @@ execsh(char **args) } if ((sh = getenv("SHELL")) == NULL) - sh = (pw->pw_shell[0]) ? pw->pw_shell : shell; + sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd; if (args) prog = args[0]; @@ -745,8 +742,8 @@ stty(char **args) perror("Couldn't call stty"); } -void -ttynew(char *line, char *out, char **args) +int +ttynew(char *line, char *cmd, char *out, char **args) { int m, s; @@ -765,7 +762,7 @@ ttynew(char *line, char *out, char **args) die("open line failed: %s\n", strerror(errno)); dup2(cmdfd, 0); stty(args); - return; + return cmdfd; } /* seems to work fine on linux, openbsd and freebsd */ @@ -786,7 +783,7 @@ ttynew(char *line, char *out, char **args) die("ioctl TIOCSCTTY failed: %s\n", strerror(errno)); close(s); close(m); - execsh(args); + execsh(cmd, args); break; default: close(s); @@ -794,6 +791,7 @@ ttynew(char *line, char *out, char **args) signal(SIGCHLD, sigchld); break; } + return cmdfd; } size_t @@ -916,6 +914,13 @@ ttyresize(int tw, int th) fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno)); } +void +ttyhangup() +{ + /* Send SIGHUP to shell */ + kill(pid, SIGHUP); +} + int tattrset(int attr) { @@ -125,7 +125,8 @@ int tattrset(int); void tnew(int, int); void tresize(int, int); void tsetdirtattr(int); -void ttynew(char *, char *, char **); +void ttyhangup(void); +int ttynew(char *, char *, char *, char **); size_t ttyread(void); void ttyresize(int, int); void ttywrite(const char *, size_t, int); @@ -147,13 +148,7 @@ void *xmalloc(size_t); void *xrealloc(void *, size_t); char *xstrdup(char *); -/* Globals */ -extern int cmdfd; -extern pid_t pid; -extern int oldbutton; - /* config.h globals */ -extern char *shell; extern char *utmp; extern char *stty_args; extern char *vtiden; @@ -227,6 +227,8 @@ static char *opt_line = NULL; static char *opt_name = NULL; static char *opt_title = NULL; +static int oldbutton = 3; /* button event on startup: 3 = release */ + void clipcopy(const Arg *dummy) { @@ -1733,8 +1735,7 @@ cmessage(XEvent *e) win.mode &= ~MODE_FOCUSED; } } else if (e->xclient.data.l[0] == xw.wmdeletewin) { - /* Send SIGHUP to shell */ - kill(pid, SIGHUP); + ttyhangup(); exit(0); } } @@ -1755,6 +1756,7 @@ run(void) int w = win.w, h = win.h; fd_set rfd; int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0; + int ttyfd; struct timespec drawtimeout, *tv = NULL, now, last, lastblink; long deltatime; @@ -1774,7 +1776,7 @@ run(void) } } while (ev.type != MapNotify); - ttynew(opt_line, opt_io, opt_cmd); + ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd); cresize(w, h); clock_gettime(CLOCK_MONOTONIC, &last); @@ -1782,15 +1784,15 @@ run(void) for (xev = actionfps;;) { FD_ZERO(&rfd); - FD_SET(cmdfd, &rfd); + FD_SET(ttyfd, &rfd); FD_SET(xfd, &rfd); - if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { + if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { if (errno == EINTR) continue; die("select failed: %s\n", strerror(errno)); } - if (FD_ISSET(cmdfd, &rfd)) { + if (FD_ISSET(ttyfd, &rfd)) { ttyread(); if (blinktimeout) { blinkset = tattrset(ATTR_BLINK); @@ -1834,7 +1836,7 @@ run(void) if (xev && !FD_ISSET(xfd, &rfd)) xev--; - if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) { + if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) { if (blinkset) { if (TIMEDIFF(now, lastblink) \ > blinktimeout) { |