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-rw-r--r--src/core/libs/lib-misc.sh42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/core/libs/lib-misc.sh b/src/core/libs/lib-misc.sh
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index 0000000..bc9b150
--- /dev/null
+++ b/src/core/libs/lib-misc.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+
+# run a process in the background, and log it's stdout and stderr to a specific logfile
+# $1 identifier
+# $2 command (will be eval'ed)
+# $3 logfile
+run_background ()
+{
+ [ -z "$1" ] && die_error "run_background: please specify an identifier to keep track of the command!"
+ [ -z "$2" ] && die_error "run_background needs a command to execute!"
+ [ -z "$3" ] && die_error "run_background needs a logfile to redirect output to!"
+
+ ( \
+ touch /tmp/$1-running
+ echo "$1 progress ..." > $3; \
+ echo >> $3; \
+ eval "$1" >>$3 2>&1
+ echo $? > /tmp/.$1-retcode
+ echo >> $3
+ rm -f /tmp/$1-running
+ ) &
+
+ sleep 2
+}
+
+
+# wait untill a process is done
+# $1 identifier
+wait_for ()
+{
+ [ -z "$1" ] && die_error "wait_for needs an identifier to known on which command to wait!"
+
+ while [ -f /tmp/$1-running ]
+ do
+ #TODO: follow_progress dialog mode = nonblocking (so check and sleep is good), cli mode (tail -f )= blocking? (so check is probably not needed as it will be done)
+ sleep 1
+ done
+
+ kill $(cat $ANSWER) #TODO: this may not work when mode = cli
+}
+