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Add built-in Resource Visibility Virtualization #77

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maazm7d wants to merge 5 commits into from
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Add built-in Resource Visibility Virtualization #77

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de36d01
Implement Cgroup-based Resource Limits (Memory, CPU, PIDs) (#73)
maazm7d Apr 18, 2026
d21b1a2
Implement Resource Visibility Virtualization (Zero-dep LXCFS alternat…
maazm7d Apr 20, 2026
90ed744
Delete tests/verify_virtualization.sh
maazm7d Apr 20, 2026
98de606
Restore container auto-detection and fix virtualization bugs
maazm7d Apr 20, 2026
373dc0e
Fix resource virtualization and container naming issues
maazm7d Apr 21, 2026
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3 changes: 2 additions & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,8 @@ SRCS = $(SRC_DIR)/main.c \
$(SRC_DIR)/ds_dhcp.c \
$(SRC_DIR)/ds_dns_proxy.c \
$(SRC_DIR)/daemon.c \
$(SRC_DIR)/check.c
$(SRC_DIR)/check.c \
$(SRC_DIR)/virtualize.c

# Compiler flags - hardened warning set, all warnings are errors
CFLAGS = -Wall -Wextra -Wpedantic -Werror -O2 -flto=auto -std=gnu99 -I$(SRC_DIR) -no-pie -pthread
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13 changes: 13 additions & 0 deletions src/boot.c
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Expand Up @@ -6,6 +6,7 @@
*/

#include "droidspace.h"
#include "virtualize.h"
#include <linux/capability.h>
#include <sys/prctl.h>

Expand Down Expand Up @@ -461,6 +462,18 @@ int internal_boot(struct ds_config *cfg) {
/* Apply jail mask after pivot_root for correct path resolution */
ds_apply_jail_mask(cfg->hw_access, cfg->privileged_mask);

/* 18b. Resource Virtualization (meminfo, cpuinfo, etc) */
if (cfg->virtualization) {
/* Verify /proc is mounted inside container before init */
if (is_mountpoint("/proc")) {
if (ds_virtualize_init(cfg) < 0) {
ds_warn("Resource virtualization initialization failed.");
}
} else {
ds_warn("Resource virtualization skipped: /proc is not mounted.");
}
}

/* 19. Configure rootfs networking (hostname, resolv.conf, etc) */
fix_networking_rootfs(cfg);

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