diff options
Diffstat (limited to 'packaging/qemu-accel-armv7l.spec')
| -rw-r--r-- | packaging/qemu-accel-armv7l.spec | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/packaging/qemu-accel-armv7l.spec b/packaging/qemu-accel-armv7l.spec index 70012d1..86130b2 100644 --- a/packaging/qemu-accel-armv7l.spec +++ b/packaging/qemu-accel-armv7l.spec @@ -244,10 +244,44 @@ function patch_binary { fi } -for binary in $binaries -do - patch_binary $binary $LD -done +# Spawn single job which reads input to extract filename by index +function run_single_job() { + local arg="$1" + while :; do + # Reads (FILENUM_DIGITS + 1) bytes. Note: to drop redirection usage we + # need dd with support for status=none + filenum=$(dd bs=$(( FILENUM_DIGITS + 1 )) count=1 2>/dev/null) + if [[ -z "$filenum" ]]; then + break + fi + # Get filename for 0x$filenum index and process it + patch_binary "${bin_array[$((0x$filenum))]}" "$LD" + done +} + +# Converting to the bash array to allow access by index +bin_array=($binaries) +# Use processors count + arbitrary addend. +n_jobs=$(( $(/usr/bin/getconf _NPROCESSORS_ONLN) + 3 )) +# Supports up to 16^FILENUM_DIGITS - 1 files: +# 16^5 - 1 = 1.048.575 files +FILENUM_DIGITS=5 + +# Send the input for the jobs: enumerate all files +for ((file = 0; file < ${#bin_array[@]}; file++)); do + printf "%0${FILENUM_DIGITS}x\\n" $file +done | ( + # Implementing simple Round-robin scheduling routine + exec 3<&0 + echo "Spawn $n_jobs jobs" + for ((i = 0; i < n_jobs; i++)); do + # The shell redirects stdin to /dev/null for background jobs. Work + # around this by duplicating fd 0 + run_single_job $i <&3 & + done + wait +) + set -x %{?multilib: |