gistfile1.diff

diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index 5b0719f7d..76269f351 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -766,6 +766,7 @@ OBJ += $(OUTDIR)/terminal.o \
 	$(OUTDIR)/term_state.o \
 	$(OUTDIR)/term_unicode.o \
 	$(OUTDIR)/term_vterm.o
+LIB += -lpsapi
 endif
 
 
diff --git a/src/evalfunc.c b/src/evalfunc.c
index fc0e05dad..9ef54bba8 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -835,6 +835,7 @@ static struct fst
     {"term_getcursor",	1, 1, f_term_getcursor},
     {"term_getjob",	1, 1, f_term_getjob},
     {"term_getline",	1, 2, f_term_getline},
+    {"term_getruncmd",	1, 1, f_term_getruncmd},
     {"term_getsize",	1, 1, f_term_getsize},
     {"term_getstatus",	1, 1, f_term_getstatus},
     {"term_gettitle",	1, 1, f_term_gettitle},
diff --git a/src/proto/terminal.pro b/src/proto/terminal.pro
index 24789293d..e7697939f 100644
--- a/src/proto/terminal.pro
+++ b/src/proto/terminal.pro
@@ -19,6 +19,7 @@ void f_term_getattr(typval_T *argvars, typval_T *rettv);
 void f_term_getcursor(typval_T *argvars, typval_T *rettv);
 void f_term_getjob(typval_T *argvars, typval_T *rettv);
 void f_term_getline(typval_T *argvars, typval_T *rettv);
+void f_term_getruncmd(typval_T *argvars, typval_T *rettv);
 void f_term_getsize(typval_T *argvars, typval_T *rettv);
 void f_term_getstatus(typval_T *argvars, typval_T *rettv);
 void f_term_gettitle(typval_T *argvars, typval_T *rettv);
diff --git a/src/terminal.c b/src/terminal.c
index 1423c5f55..61925dbf6 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -75,6 +75,14 @@
 
 #include "vim.h"
 
+#if defined(__APPLE__)
+# include <sys/types.h>
+# include <sys/sysctl.h>
+#endif
+#if defined(_WIN32)
+# include <psapi.h>
+#endif
+
 #if defined(FEAT_TERMINAL) || defined(PROTO)
 
 #ifdef WIN3264
@@ -1835,6 +1843,80 @@ f_term_getline(typval_T *argvars, typval_T *rettv)
 }
 
 /*
+ * "term_getruncmd(buf)" function
+ */
+    void
+f_term_getruncmd(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf = term_get_buf(argvars);
+    channel_T	*ch;
+    pid_t	pgrp;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+    if (buf == NULL)
+	return;
+
+    if (buf->b_term->tl_job == NULL)
+	return;
+
+    ch = buf->b_term->tl_job->jv_channel;
+    if (ch == NULL || ch->CH_IN_FD == -1)
+	return;
+
+#ifdef _WIN32
+    pgrp = GetCurrentProcessId();
+#else
+    pgrp = tcgetpgrp(ch->CH_IN_FD);
+    if (pgrp <= 0)
+	return;
+#endif
+
+#if defined(__linux__)
+    {
+	char fname[MAXPATHL];
+	char cmdline[64];
+	FILE *fp;
+	size_t bytes_read;
+	size_t i;
+
+	vim_snprintf(fname, MAXPATHL, "/proc/%ld/cmdline", pgrp);
+	fp = mch_fopen(fname, "r");
+	if (fp == NULL)
+	    return;
+
+	bytes_read = fread(cmdline, 1, sizeof(cmdline), fp);
+	fclose(fp);
+
+	for (i = 0; i < bytes_read; ++i)
+	    if (cmdline[i] == NUL)
+		cmdline[i] = ' ';
+	cmdline[bytes_read - 1] = NUL;
+
+	rettv->vval.v_string = vim_strsave(cmdline);
+    }
+#elif defined(__APPLE__)
+    {
+	int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, pgrp };
+	struct kinfo_proc kp;
+	size_t size = sizeof(kp);
+
+	if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1)
+	    return;
+
+	rettv->vval.v_string = vim_strsave((char_u *)kp.kp_proc.p_comm);
+    }
+#elif defined(_WIN32)
+    {
+	char fname[MAX_PATH];
+	HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, 0, pgrp);
+	if (h && GetModuleFileNameEx(h, NULL, fname, sizeof(fname)) != 0)
+	    rettv->vval.v_string = vim_strsave((char_u *)fname);
+    }
+#endif
+}
+
+/*
  * "term_getsize(buf)" function
  */
     void